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respiratory
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299
Medical
Undergraduate 4
05/28/2017

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Term
respiratory manifestations of RA
Definition
PULMONARY FIBROSIS
pulmonary effusion
MTX pulmonitis
nodules
bronchiolitis obliterans
Term
what is caplans syndrome?
why does it occur?
Definition
massive fibrotic nodules

occurs with occupational coal dust exposure
Term
a man with COPD comes in with cyanosis tachycardia and o2 sats 58%

whats the first thing you administer?
Definition
high flow oxygen. this pt is critically ill and pts die of hypoxia before they die from hypercapnia so it is inappropriate to deny high flow oxygen in acute setting
Term
what are the o2 sat targets for an acutely ill person?

what are the o2 sats target for a person at risk of hypercapnia eg COPD pt?
Definition
94-98%

for those at risk for hypercapnia the target is 88-92%
Term
a person with COPD has come in and needs oxygen. Before ABG is available what flow oxygen is recommended?
Definition
28% venture mask at 4litres per min.
the target sats should be 88-92%

if pCO2 are normal start adjusting to 94-98%
Term
bacteria often implicated in aspiration oneumonia are aerobic.
give examples of ones that are involved?
Definition
step pneumonia
s. aureus
haemophilus
pseudomonas
Term
in ABG of someone with COPD if it shows a raised bicarbonate what does this suggest?
Definition
it suggests a chronic compensatory process.
Term
irritation from where to the lungs can be a reason for cough?
Definition
pharynx to lungs
Term
what is an acute, chronic and sub acute cough?
Definition
acute <3 weeks
chronic > 8 weeks
subacute = inbetween
Term
causes of a dry cough?
Definition
meds: ACE-i
irritation of lungs in GORD
Term
characteristics of a cough associated with reccurent laryngeal nerve palsy?
Definition
hollow, bovine cough
Term
causes of a chornic cough
Definition
TB
foreign body
asthma
CF
bronchiectasis
pertussis
Term
what is a loud brassy cough suggestive of?
Definition
pressure on the trachea e.g from a tumour
Term
why shold you NOT ignore a change of character of a chronic cough?
Definition
because it may signify a new problem such as infection or malignancy
Term
what are red flags in a chronic cough?
Definition
copious sputum: suggests bronchiectasis
systemic symptoms: suggests TB, lymphoma or bronchial ca
haemoptysis: suggests TB or bronchial cancer
Significant dyspnoea: suggests HF, COPD or fibrotic lung disease
Term
describe PH qualities between coughed up and vomited blood?
Definition
coughed up blood is alkaline
vomited blood is acidic
Term
respiratory causes of haemoptysis?
Definition
infection
neoplasm
vascular
parenchymal
pulmonary HTN
coagulopathies
trauma foreign body
Term
what is serratia marcecens and what can it mimic?
Definition
gram neg bacteria rod shaped.
has red pigment and can mimic haemoptysis
Term
infective causes of haemoptysis
Definition
TB
bronchiectasis
pneumonia
parasites
lung abscesses
fungi
viruses
COPD
Term
vascular causes of heamoptysis
Definition
PE
vasculitis
hereditary hemorrhagic telangiectasia
Term
parenchymal causes of heamoptysis
Definition
goodpastures
CF
Term
common causes for cough
Definition
smoking
ACE-i
asthma
post nasal drip
pollution in environment
occupation
Term
how long should a cough due to smoking improve when quit?
Definition
within 8 weeks
Term
how long after stopping ACE-i should the dry cough stop?
Definition
within 4 weeks
Term
what is name of the primary lesion in the lung in TB?
Definition
ghon focus

together with hilar lymph nodes it is called the Ghon complex

the ghon focus is made of TB laden macrophages
Term
in immunocompetent people the primary TB infection usually heals by fibrosis. what may happen in immunocomprimised people?
Definition
they can develop disseminated disease AKA military TB
Term
where does secondary TB generally occur? this happens due to reactivation of the primary infection and can be due to:-
immunosuppressive drugs including steroids
malnutrition
HIV
Definition
generally occurs in apex of the lungs.
Term
extra pulmonary infection of TB may occur where?
Definition
brain
vertebral bodies (potts disease)
cervical lymph nodes (scrofuloderma)
renal
gi tract
Term
what is potts disease?
Definition
secondary TB in the verbral bodies
Term
what is scrofuloderma?
Definition
TB in cervical lymph nodes.
Term
the inflammatory response in TB is which type of hypersentivity reaction?
Definition
type 4 - delayed hypersensitivity reaction
Term
what is present in the centre of granulomas in TB?
Definition
caseous necrosis.
Term
how is TB diagnosed?
Definition
Ziehl-Neelson stain typically used

Mantoux used to screen for latent TB
interferon gamma blood test has also been introduced

HEAF test no longer used.
Term
what is the rx for active TB?
Definition
RIPE for 2 months then RI for next 4 months

Rifampicin
Isoniazid
Pyrazinamide
Ethambutol
Term
treatment for latent TB?
Definition
isoniazid alone for 6 months

those with meningeal TB rx for 12m plus steroids.
Term
MOA rifampicin
Definition
prevents transcription of DNA into mRNA
SE:enzyme inducer, red secretions, flu symptoms
Term
MOA isoniazid
Definition
inhibits mycolic acid synthesis
SE: peripheral neuropathy (give vitamin B6 pyridoxine)
Other SE: inducer, hepatitis, agranulocytosis
Term
MOA and SE of pyrazinamide
Definition
inhibits fatty acid synthetase 1

SE:hyperurecaemia causes gout, arthlagia, myalgia, hepatitis
Term
fibrosis that predominantly affects the lower zones.

more common causes tend to affect the lower zones
Definition
idiopathic pulmonary fibrosis
connective tissue disorders except ankylosing spondylitis (affects upper zone)
asbestosis
drug induced: amiodarone, MTX, bleomycin
Term
fibroses that mainly affect upper zones

apart from TB, sarcoid and ankylosing spond these are the more uncommon ones
Definition
ankylosing spondylitis
TB
sarcoid
silicosis
histiocytosis
coal workers pnemococcis
extrinsic allergic alveolitis
Term
lung cancer can be small cell or non small cell. which one is more common?
Definition
Non small cell. it accounts for 80% of all lung cancers.

these include:-
squamous 25% cases
adenocarcinomas 40% cases
large cell carcinoma 10% cases
Term
which is the most common lung cancer experienced in people who have never smoked?
Definition
adenocarcinoma.
Term
small cell lung cancers tend to arise in large airways.

is smoking implicated?
where do cells originate from and what can this result in?
Definition
they are associated with smoking and compromised of cells with a neuro endocrine differention so hormones may be released from them and are involved in a wide range of paraneoplastic associations.
Term
small cell cancer is AKA?
Definition
oat cell ca
Term
how much does smoking increase your risk of lung cancer by?
Definition
factor of 10
Term
asbestos increases lung cancer by how many times?
Definition
x 5

smoking and asbestos have a synergistic affect.
smoking increases risk by 10 x
asbestos by 5 x

together the risk is increase 50 x
Term
paraneoplastic features of small cell lung cancer
Definition
ADH - SIADH
ACTH -
lambert eaton
Term
paraneoplastic features of squamous cell lung cancer
Definition
PTHr protein causing hypercalceamia
clubbing
hyperthyroidism due to ectopic TSH
Term
paraneoplastic features of adenocarcinoma lung cancer
Definition
gynaecomastia
Term
when to refer pts under 2 week lung cancer pathway?
Definition
aged 40 or more with unexplained haemoptysis
if they have a CXR finding suggestive of lung ca
Term
you can offer an urgent CXR to be done in 2 weeks for people aged 40 and over if they they have 2 or > of which symptoms.

if they smoke then they only need one symptom
Definition
cough
fatigue
SOB
chest pain
weight loss
appetite loss
Term
when should you consider urgent CXR in 2 weeks?
Definition
aged 40 or > with :
clubbing
supraclavicular lymphadenopathy
persistant cervical lymphadenopathy
thrombocytosis
chest signs consistent with lung cancer
persistant or recurrent chest infection
Term
features of squamous cell lung ca
Definition
typically central
associated with finger clubbing and PTHr protein causing hypercalceamia
hypertrophic pulmonary osteoarthropathy
Term
features of large cell lung ca
Definition
poorly differentiated and poor prognosis
may secreted bHCG
Term
mx of non small cell lung cancer
Definition
only 20% suitable for surgery

before surgery mediastinoscopy is done to check for mediastinal lymph node involvement as CT does not always capture this.
curative or palliative radiotherapy
poor response to chemo
Term
which type of lung cancer
non small cell or small cell has poor response to chemo?
Definition
non small cell
Term
why are stages IIIb or IV contraindications to surgery in non small cell lung ca?
Definition
because these stages suggest mets are present
Term
staging of T in lung cacm
Definition
T1 <3
T2 >3
T3 >7cm
T4 tumour involves mediastinal contents
Term
effect of paraneoplastic features in small cell lung ca
Definition
ADH causes hypontremia
ACTH causes Cushings and high levels of cortisol can cause hypokalemic alkalosis
Term
types of lung biopsy available?
(3)
Definition
percutaneous
transbronchial
open lung
Term
when might you use a radionucleotide bone scan in lung cancer?
Definition
if you suspect mets
Term
causes of bronchiectasis
Definition
CF
infection: TB, measles, pertussis,
obstruction: lung ca, foreign body
Immune cause: selective IgA, hypogammaglobinaemia
Ciliary dyskinetic syndromes: Kartegner's syndrome
Term
mx for bronchiectasis
Definition
physical training of inspiratory muscles
postural drainage
Abx for exacerbations
bronchodilators
immunisations
surgery in selected cases
Term
gold diagnosis for bronchiectasis?
Definition
high res CT (HRCT)
Term
a person with bronchiectasis has infection with p aueringosa, what is ABx of choice?
Definition
Ciprofluoxacin
Term
common organisms isolated from someone with bronchiectasis
Definition
Haemophilus influenza
pseudomonas
klebsiella
Strep pneumonia
Term
features of Kartegner syndrome
Definition
dextrocardia or situs inversus
bronchiectasis
recurrent sinusitis
subfertility

defect in dynein arm results in immobile cilia
Term
causes of COPD
Definition
Smoking
alpha 1 antitrypsin deficiency

coal
cotton
cement
cadmium used in smelting
Term
NICE diagnosis of COPD
Definition
pts >35 years who are smokers or ex smokers with symptoms such as exertional breathlessness, chronic cough or regular sputum production
Term
ix in pts with ?COPD
Definition
post bronchodilator spirometry: FEV1/FEV <70%

CXR: bullae, hyperinflation, flat diaphragm

FBC: exclude secondary polycythaemia
BMI
Term
4 ix to do in suspected COPD?
Definition
spirometry
CXR
FBC
BMI
Term
what is used to measure the severity of COPD?
Definition
FEV1

>80% predicted = stage 1
50-79% stage 2
30-49 stage 3
< 30% stage 4
Term
mx of COPD
Definition
smoking cessation
annual influenza
one off pneumococcal
inhalers
Term
what should happen to the dose of theophylline if macrolide or fluoroqunine Abx are prescribed?
Definition
it should be reduced
Term
most common bacterial organisms causing COPD exacerbations?
Definition
haemophilus influenza
strep pneumonia
Moraxella catarrhalis
Term
if COPD are on O2 therapy how long should they be on O2 for a day?
Definition
15 hours.
Term
c
Definition
Term
criteria for long term O2 therapy is

PO2 < 7.3 kPA or pO2 between 7.3 - 8 and which of the following?
Definition
7.3 and 8 pO2 and:-
secondary polycythaemia
nocturnal hypoxemia
peripheral oedema
pulmonary HTN
Term
features of idiopathic pulmonary fibrosis

it is 2 x more common in men
Definition
progressive exertional dyspnoea
bibasal crackles
dry cough
clubbing
Term
what pattern on spirometry is seen in idiopathic pulmonary fibrosis?
Definition
restrictive pattern
Term
CXR features in pulmonary fibrosis?
Definition
ground glass opacities progressing to honey combing
Term
if in an exam question there is an XRAY showing ground glass opacities or honey combing what diagnosis should you be thinking?
Definition
pulmonary fibrosis
Term
what is gold standard to diagnose idiopathic pulmonary fibrosis?
Definition
high res CT
Term
mx of pulmonary fibrosis?
Definition
pulmonary rehab
supplementary O2
lung transplant

pirfenidone is an antifibrotic agent and may be useful in selected pts
Term
which area of the lung would you see reticular opacities and honecombing particularly at the base?
Definition
pulmonary fibrosis

diseases affecting base of lungs are common

pulmonary fibrosis
asbestosis
drug: MTX, bleomycin, amiodarone
most connective tissue disease apart from ankylosing spondylitis
Term
drugs that can cause lung fibrosis
Definition
MTX
amiodarone
bleomycin
nitrofurantoin
ergot derived DA agonists: bromocriptine, carbegoline
Term
diseases that would show an obstructive pattern on spirometry?
Definition
Asthma
COPD
bronchiectasis
bronchiolitis obliterans
Term
diseases that would show a restrictive pattern on spirometry?
Definition
pulmonary fibrosis
asbestos
sarcoid
neuromuscular disorders
Term
what test describes the rate of which a gas will diffuse from alveoli into blood?

what gas is typically used for this test?
Definition
this is the transfer factor test

the gas used is carbon monoxide.
Term
reasons that can result in erranous readings in pulse oximetry
Definition
poor perfusion
motion
xs light
skin pigmentation
nail varnish
CO poisoning
Term
features of pulmonary oedema on CXR
Definition
interstitial oedema
bats wings
upper lobe diversion
kerley B lines
Term
expansion of lung interstial space by fluid is seen on CXR as what lines?
Definition
Kerley lines.
Term
cannon ball mets are mostly due to?
Definition
renal cell carcinoma mets
Term
smoke ring sign suggests?
Definition
cavitating lung carcinoma
Term
how might cavitating lung carcinoma show up in CXR?
Definition
smoke ring sign
Term
what might wedge shaped densities on CXR be a sign of?
Definition
secondary lung cancer mets.
Term
causes of bilateral hilar lymphadenopathy on CXR
Definition
sarcoid
TB
metastatic disease
pneumoconioses
Term
causes of lower zone fibrotic shadowing on CXR?
Definition
idiopathic pulmonary fibrosis
asbestosis
Term
causes of upper zone fibrotic shadowing on CXR?
Definition
TB
ank spond
radiotherapy
sarcoid
extrinsic allergic alveolitis
Term
interventions that improve prognosis in COPD?
Definition
smoking cessation
long term O2 therapy 15 hours a day
Term
Abx for CAP?
Definition
Amoxicillin
if allergic: doxy or clarithromycin

if staphloccoci suspected then add flucox
Term
pneumonia due to atypical pathogens. Abx of choice?
Definition
Clarithromycin
Term
HAP within 5 days of admin

HAP > 5 days of admin
Definition
within 5 days of admin give co-amoxiclav or cefuroxime

> 5 days after admin and HAP then give
pipercillin with tazobactam OR
cephalosporin OR
quinolone
Term
exacerbations of chronic bronchitis
Definition
amoxicillin or tetracycline or clarithromycin
Term
rx for tumour lysis syndrome?
Definition
IV allopurinol or
IV rasburicase (recombinant urate oxidase)

given immediately prior to and during 1st days of chemotherapy
Term
in any pt presenting with AKI with high phosphate and high uric acid what should you think?
Definition
tumour lysis syndrome
Term
metabolic derangements due to tumour lysis syndrome?
Definition
high k
high phosphate
high uric acid
low calcium
Term
what is the Cairo-Bishop score used for ?
Definition
grading tumour lysis syndrome
Term
define neutropenic sepsis
Definition
neutrophils <0.5 with one of the following:-

temp >38
other sign consistent with clinically significant sepsis.
Term
prophylaxis for neutropenic sepsis?
Definition
if anticipated that they may get it as a consequence of their rx they should be given a fluroquinolone
Term
mx for neutropenic sepsis
Definition
start empirical Abx pipercillin and tazobactam

still febrile after 48hours?
alternative such as meropenam +/- vancomycin

if still not responding after 4-6 days order high res CT to look for fungal infection

there may be a role for G-CSF in selected pts
Term
causes of avascular necrosis

ix of choice is MRI
Definition
LT steroid use
chemotherapy
alcohol xs
trauma
Term
premature ovarian failure can be due to chemotherapy, AI, radiotherapy but most cases are idiopathic. when is the onset of menopause in this condition?
Definition
before age 40

raised FSH,LH levels
Term
in non small cell lung cancers that are peripheral with no mets what is rx of choice?

what if the pts respiratory reserve is poor?
Definition
excision

if resp reserve is poor then curative radiotherapy is an alternative

for more advance disease chemo and radiotherapy
Term
mx for SVC obstruction?
Definition
SVC stent + radiotherapy + dexamethasone
Term
which primary acid-base disturbance would you see in COPD?
Definition
respiratory acidosis
Term
which primary acid-base disturbance would you see in anxiety and panic attacks?
Definition
respiratory alkalosis
Term
vomiting and burns would cause which primary acid-base disturbance?
Definition
metabolic alkalosis
Term
causes of respiratory acidosis
Definition
COPD
opiated OD
obesity hypoventilation syndrome
neuromuscular disease
decompensated asthma
BDZ OD
Term
causes of respiratory alkalosis
Definition
PE
anxiety
pregnancy
altitude
CNS disorders e.g stroke, SAH
Term
which pneumonia is associated with high fever, herpes labialis and rapid onset?
Definition
strep pneumonia
Term
this pneumonia is particularly common in those with COPD
Definition
H influenza
Term
atypical pneumonia presenting with dry cough, atypical chest signs/xray
erythema multiforme
autoimmune haemolytic anaemia may be seen
Definition
mycoplasma
Term
this atypical pneumonia can present with hyponatremia and lymphopenia with deranged LFTs
Definition
legionella
Term
this pneumonia is classically seen in alcoholics
Definition
klebsiella
Term
this pneumonia presents commonly in HIV pts
dry cough
absence of chest signs
exercise induced desaturations
Definition
p. jirovecii
Term
features of sarcoidosis
Definition
formation of non caseating granulomas
restrictive spirometry
reduced transfer factor
Term
pts with chronic COPD typically have compensated respiratory acidos.

explain the physiology
Definition
there is increased renal reabsorbtion of bicarbonate from the renal tubules into the blood.

this means plasma bicarbonate levels will be raised and urine would be expected to be acidic
Term
causes of bronchiectasis
Definition
CF
bronchial carcinoma
perussis
Kartegners syndrome
hypogammaglobulinaemia IgA deficiency
TB
GORD
Term
features of PE
Definition
can be asymptomatic
tachycardia, hypoxia, hypotension
CXR can be normal or show a wedge shaped infarction
Term
risk factors for developing PE
Definition
pregnancy
previous PE
immobility
lower limb/hip surgery
malignancy
drugs COCP
FHx
thrombotic conditions
Term
which criteria is used to distuinguish a pleural exudate from a transdudate?
Definition
Lights criteria

pleural to serum protein ratio >0.5
plural to serum LDH >0.6
pleural LDH should be > 2/3 the upper limit of normal

meeting anyone of these criteria indicates exudative effusion. remember to calculate the ratios in the question
Term
list characteristic signs of plueral effusion
Definition
there is reduced expansion on the side of effusion
the trachea is deviated away from the effusion
stony dull percussion
reduced or absent breath sounds
Term
4Cs of TB
Definition
Cough
cavitation
calcification
caseation
Term
causes of breathlessness in adults
Definition
acute exacerbation of COPD
CCF
anaphylaxis
PE
panick attack
pneumothorax
asthma exacerbation
Term
signs of life threathening Asthma
Definition
silent chest
cyanosis
hypotension reduced consciousness
PEFR <33% predicted
Term
a complication of central venous cathter insertion that may result in SOB?
Definition
pneumothoraces
Term
radiological signs of pulmonary oedema?
Definition
increased perihilar shadowing: bats wings
upper lobe venous diversion
fluid in horizontal fissure
Kerley B lines
Term
afro carribean women with restrictive pattern on spirometry and raised ACE. what are you thinking?
Definition
Sarcoid
Term
main cause of respiratory alkalosis is a panic attack. name some other rare causes
Definition
brain stem stroke
SAH
fever
hyperthyroid
meningitis
Term
sarcoidosis and fibrosing alveolitis both cause fibrosis of the upper lobes. how can they be distinguished by hand signs?
Definition
sarcoid rarely causes clubbing
unlike fibrosis alveolitis
Term
how is sarcoid diagnosed?
Definition
by demonstrating non caseating granulomata in bronchial or lymph node biopsy
Term
if someone has obstructive spirometry with evidence of reversibility after bronchodilator what would you be thinking?
Definition
asthma
because it is reversible
Term
features of farmers lung (extrinsicallergic alveolitis)
Definition
restrictive spirometry
reduced TLCO and KCO
in broncheoalveolar lavage: lymphocytes and mast cells
there may be precipitins to micropolyspora faeni
Term
transfer factor (TLCO) measures CO uptake and is affected by loss of functioning alveoli. in a full pneumonectomy what would happen to this result?
Definition
it would be halved.
Term
in pulmonary haemorrhage which result would be falsely raised?
Definition
KCO - this is calculatd to correct for lung volume and in pulmonary haemorrhage appears artificially good due to increased binding of CO to the Hb within alveolar sacs
Term
monitoring of pts with GBS
Definition
serial 4-6 spirometry to check any significant reduction in FEV1
this can indicate a need for assisted ventilation
Term
mx of pneumothorax
Definition
needle aspiration if this fails
chest drain
Term
mx of tension pneumothorax
Definition
immediate needle decompression followed by placement of chest drain
Term
mx ladder of pneumothorax
Definition
observe
needle aspiration
chest drain insertion
pleurodesis/pluerectomy
Term
in a cxr a double left heart border is consistent with what?
Definition
a left lower collapse
Term
features of chronic eosinophilic pneumonia?

the rx for this is steroids
Definition
restrictive spirometry
peripheral lung infiltrates on CXR
raised eosinophils

lung biopsy can give definitive diagnosis showing eosinophilic accumulations
Term
64 year old man presents with gradual SOB
CXR shows right pleural effusion
what is the next appropriate ix?
Definition
pleural aspirate to check if effusion is exudate or transudate

if exudate: CT or thorascopy to look for malignancy or TB

if transdudate: echo looking for HF or liver imaging for cirrhosis.
Term
tobacco workers are exposed to which antigen that can cause progressive pulmonary fibrosis?
Definition
aspergillus antigens
Term
Chlamydia psitacci can be caught from parrots. what is the ABx of choice?
Definition
tetracycline eg
doxycycline 100mg BD for 21 days
Term
risk factors of flash pulmonary oedema
Definition
multiple cardiac risk factors including advanced age, HTN and high lipids

there may be new systolic murmur loudest at apex: mitral regurge
this can be due to rupture of papillary muscle
Term
mesothelioma has a lag period which can be up to?
Definition
45 years
Term
mesothelioma features
Definition
unilateral
present with malignant pleural effusion of exudate
diagnosis: CT
5 year survival <5%
Term
mx of acute asthma
Definition
oxygen
bronchodilators: can be repeated at 15 min intervals. nebs ipratropium may also be helpful
steroids given ASAP IV 200ml hydrocortisone or PO 40mg pred

those with severe asthma or poorly responding to nebulised bronchodilators may be given Magnesium sulphate IV
Term
causes of bilateral hilar enlargement?
Definition
Sarcoid
TB
lymphoma
lymph node mets
Term
common respiratory complication in a post bone marrow transplant pt
Definition
bronchiolitis obliterans. occurs in first 100 days.
usually irreversible
Term
which cancer of the lung most commonly causes cavitations?
Definition
squamous cell carcinoma

they also produce PTHr causing hypercalceamia
Term
reasons why a CXR must be done in an asthmatic that presents with worsening SOB and whheze
Definition
to exclude pneumothorax and consolidation/lobar collapse
Term
list the criteria used to asses the severity of asthma?
Definition
Speech
Pulse
RR
pulsus paradoxus
PERF
Ox sats/ABG
cyanosis
Term
mx of acute asthma exacerbations
Definition
sit pt up
o2 60-100% via mask
nebulised sal and ipratropium
IV access
oral/IV steroids
oral/IV amoxicillin +/- erythromycin
Term
signs of mild/moderate asthma
Definition
pulse: normal/tachy
BP: pulsus paradoxicus
RR: >25/min
Speech: normal stilted sentences
ABGs: normal to 8kPA
CO2: normal or low
PERF: >50%
cyanosis: not present
Term
PR?
Bull Shit!
APC gene

have i gone cray? not really this is a mneumonic to remember the criteria to assess asthma severity what is it?
Definition
pulse
RR
BP
speech
ABG
PERF
cyanosis
Term
criteria for sever asthma
Definition
pulse: bradycardia
RR: < 10
BP: maybe hypotensive
Speech: cant talk
ABG: <7.6-8
PEFR: < 30% normal
Cyanosis:late/sinister sign
Term
in pts with severe signs of asthma how should management proceed?
Definition
they should be considered for elective assisted ventilation
Term
loud P2 is a sign of?

Pulmonary HTN or
PE?
Definition
Pulmonary HTN
Term
if PE is suspected, providing there are no CI when should heparin be given? before or after the CTPA scan?
Definition
before the scan
rx also involves giving analgesia and o2.
Term
a stonemason presents with progressive SOB and clubbing. what has his occupation probably exposed him to?
Definition
Silica causing silicosis
dx: High Res CT
Term
CF fibrosis gene
long or short arm of chromosome 7?
Definition
long arm
Term
on CT a ground glass opacity surrounded by denser lung tissue is known as which sign?
Definition
Atoll sign - Maldives sign lol

suggestive of cryptogenic organising pneumonia
Term
which sign on CT suggests invasive aspergillosis?
Definition
Halo sign
Term
in which condition is signet sign found in?
Definition
Bronchiectasis
Term
features of allergic pulmonary aspergiloosis
Definition
high serum IgE
peripheral eosinophilia
positive skin test for aspergillosis protein
recurrent pulmonary infiltrates on CXR
CT: central cystic bronchiectasis in multiple lobes
Term
triad of yellow nail syndrome
Definition
deformed nails
lymphedema
exudative pleural effusion or other respiratory involvement

2 of 3 features needed for diagnosis
associated with protein losing enteropathy
Term
diagnosis of pulmonary TB is by sputum microscopy that can take up to 6 weeks

how can you diagnose renal or military TB?
Definition
early morning urine testing

primary TB causes ghon focus in lings. reactivation of this causes secondary TB
Term
features of pulmonary histiocytosis
Definition
AKA eosinophilic granuloma

pneumothorax
respiratory distress
diabetes insipidus
progressive fever
bone cysts that can cause pathological fractures
Term
what type of hypersensitive reaction does TB cause?
Definition
type IV a delayed one
Term
which bacteria causes pneumonia in elderly after influenza and can cause cavitating lesions in the upper lobes of the lungs?
Definition
staph aureus
Term
causes of transdudate pleural effusions
Definition
protein <30g
HF
liver cirrhosis
nephrotic
Meigs
Term
RA causes exudate plural effusion and which other common finding ?
Definition
low glucose
Term
which organism is associated with an air crescent sign?
Definition
invasive aspergillosis

it is a sign of recovery from the infection
Term
types of non small cell lung ca?
Definition
squamous 35%
adeno 20%
large cell 20%
Term
type II respiratory failure with raise bicarbonate is likely to be due to?
Definition
COPD. chronic condition results in metabolic compensation thus the bicarb is high and urinary PH is low because the renal tubules reabsorb more bicarb
Term
features of pleural plaques
Definition
can be asymptomatic
are not premalignant
you cannot get compensation for them
no specific treatment is required
Term
a women with RA has been started on TNF antibody rx.
she presents with chornic cough, weightloss and haemoptysis
CXR shows calcified hilar lymph nodes and left upper lobe fibrosis.

is this due to her RA?
is it due to something else?
what is your explanation?
Definition
RA fibrosis occurs in lower lobes.

it is well known that use of TNA antibody meds can cause reactivation of TB

TB affects upper lobes. the CXR suggests fibrosis in upper lobes and not lower lobes so therefore it would TB reactivation and not her RA
Term
features of bronchiectasis on examination
Definition
clubbing
cyanosis
florid crepitations at both bases which change with coughing
copious amounts of sputum
recurrent chest infections
Term
causes of unilateral pleural effusions
Definition
infection: pancreatitis,
PE
trauma
lobar pneumonia
bronchial cancer
TB
Malignancy mets
RA
SLE
Dresslers syndrome
Term
what tests should be done on a diagnostic aspirate of plural effusion?
Definition
macroscopic inspection
cytology
protein
LDH
pH
gramstain
Term
if a firm diagnosis is not reached after doing testing on aspirate of pleural effusion what other tests can be done if we suspect mesothelioma?
Definition
CT with contrast
video assisted thorascopic surgery
CT or USS guided needle biopsy
Term
sings of tension pneumothorax
Definition
tachypnoea
tachycardia
hypotension
elevated JVP
deviation of trachea away from the side of the pneumothorax
sweating and cyanosis
Term
mx of tension pneumothorax
Definition
high flow O2
needle decompression into 2nd intercostal space
chest drain into plural space: 4th/5th ICS midaxillary line and connect to underwater seal

once tension relieved and drain is bubbling remove cannula from 2nd ICS and arrange CXR
admit to hospital
remove chest drain when it stops bubbling
repeat chest xray
Term
when can uncomplicated pneumothorax be treated conservatively?
Definition
if rim of air is <2cm on CXR and minimal or no breathlessness

mx: inhale high concentration o2
Term
features of extrinsic allergic alveolitis AKA farmers lung
Definition
caused by Saccharopolyspora rectivirgula: used to be called micropolyspora faenia
Term
how would you describe the granulomas in farmers lungs and sarcoid?
Definition
non caseating

farmers lung aka extrinsic allergic alveolitis: respiratory distress, fever and basal crackles with spontaneous recovery within 12-24hours
Term
disorders associated with CF
Definition
bronchiectasis
diabetes mellitus
steatorrhoea and malabsorbtion
Term
LT mx of CF
Definition
nutritional support
diabetic education
physio of chest
rapid rx of infective exacerbations
sputum viscocity reduction
genetic counselling of parents
consider for heart lung transplant
Term
asthma is a type 1 hypersensitivity reaction

MOA of ipratropium?
montelukast?
what class of drug is theophylline?
Definition
muscarinic antagonist ipratropium

montelukast: leukotriene receptor antagonist

theophylline: xanthine
Term
features of obstructive sleep apnoea

rx of this condition?
Definition
affects 1% of males
associated with obesity
oronasal factors are important and may be correctable

rx: nasal CPAP and weight loss.
Term
reasons for treating obstructive sleep apnoea include?
Definition
to relieve day time sleepiness
there is evidence that untreated pts have a increased cardiovascular mortality
Term
risk factors for PE
Definition
recent major surgery
FHx of coagulopathy or thromboembolic disease
recent fracture pelvic or lower limb
malignancy
coagulopathy
pregnancy
smoking
immobility
Term
features of obstructive sleep apnoea

rx of this condition?
Definition
affects 1% of males
associated with obesity
oronasal factors are important and may be correctable

rx: nasal CPAP and weight loss.
Term
reasons for treating obstructive sleep apnoea include?
Definition
to relieve day time sleepiness
there is evidence that untreated pts have a increased cardiovascular mortality
Term
risk factors for PE
Definition
recent major surgery
FHx of coagulopathy or thromboembolic disease
recent fracture pelvic or lower limb
malignancy
coagulopathy
pregnancy
smoking
immobility
Term
ix in PE
Definition
FBC, clotting screen
ABGs
CXR
ECG
CTPA or VQ scan
Term
mx of PE
Definition
sit pt upright
O2
IV access and analgesia
SC LMWH 1.5mg/kg/OD
confirm diagnosis: provoked 3month warfarin, if unprovoked 6 months warfarin,
INR 2-3
Term
in clotting screen for someone presenting with PE what should it include?
Definition
protein C
protein s
anti thrombin III
anticardiolipin antibody
Factor V leiden mutation
Term
type of respiratory failure in PE?
Definition
type I with hypocapnia
Term
features of lambert eaton syndrome
Definition
muscle weakness
depressed reflexes
autonomic dysfuction e.g postural hypotension

in myasthenia gravis the reflexes are normal
Term
pericarditis causes positional pain made worse when lying?
Definition
flat.
Term
medications used in COPD
beta 2 agonist: salbutamol
anticholinergics: tiotropium and ipratropium
steroids: inh, oral iv
theophylline: aminophylline

these are meds used in COPD but do not have an effect on prognosis. which 2 things can affect prognosis of COPD?
Definition
smoking cessation
Long term O2 therapy for 15 hours a day
Term
how can pts qualify for home o2 therapy?
Definition
2 sets of ABGs and spirometry with the patient stable.

o2 <7.3 or
o2 >8 with one or more of the following

2ndary polycythaemia
nocturnal hypoxemia
peripheral oedema
pulmonoary HTN
Term
if a women who ha shad PE was treated with full dose heparin and now discharged on warfarin develops DVT what is the underlying cause due to?
Definition
Heparin induced thrombocytopenia.

this can happen as a SE of full dose heparin and also when warfarin is started it initially reduces hepatic synthesis of protein C

mx: stop warfarin and give direct thrombin inhibitors like ARGATROBAN
Term
chronic exposure to which type of asbestos causes asbestosis??
Definition
blue type crocidolite
Term
cavitating lung tumours are most likely to be?
Definition
squamous cell carcinoma
Term
MOA of theophyliine?
Definition
phosphodiesterase inhibitors
potentiate the effect of cyclic AMP
this results in airway dilatation
Term
conditionas associated wit idiopathic pulmonary fibrosis?
Definition
RA
SLE
IBD
Primary Biliary Cirrhosis
Term
investigations and findings to confirm idiopathic lung fibrosis?
Definition
CXR - lower zone
ABG - type I
Lung fx: restrictive with reduced transfer coefficient
high res CT: confirms distribution of fibrosis
Term
cc
Definition
Term
painful ankles and clubbing in lung cancer is due to?
Definition
hypertrophic pulmonary osteoarthropathy which is associated with clubbing
Term
hypokalemia in lung cancer is due to?
Definition
ACTH secretion

hyponatramia due to ADH secretion
Term
features of normal CXR

T/F
the left diaphragm and left hilum are both lower than the right?
Definition
FALSE

left hemidiaphragm lower than right because the right is pushed up by liver

BUT

left hilum higher than right hilum
Term
median survival for mesothelioma?
Definition
18 months
Term
when can xray detect pleural effusion?
Definition
if > 200ml is present

USS can detect small one 3-5 ml
Term
causes of atypical pneumonia
Definition
mycoplasma
legionella
chlmaydia psittaci
coxiella burnetti
Term
abnormalities in atypical pneumonias
Definition
FBC: haemolytic anemia, thrombocytopenia

Uand E: hyponatremia
LFT: transient hepatitis
ABG: type I resp failure
antibody titres rising
Term
what skin manifestation may atypical pneumonia due to Clamydia psitacci cause?
Definition
rose spots on abdomen
Term
CURB65 break it down
Definition
confusion
urea >7
RR >30
BP SBP<90 DBP<60
Age >65

3 or more = severe
Term
egg shell calcification of nodes is strongly suggestive of?
Definition
silicosis
Term
diagnosis of histiocytosis on CXR would show?
Definition
scattered nodules of Langerhans cells
associated eosinphils, macrophages and giant cells

Langerhans cells contain racket shaped Birbeck granules
Term
a question says racket shaped birbeck granules in Langerhans cells. what diagnosis are you thinking?
Definition
Histiocytosis
Term
Vitamin d deficiency findings in someone on anti TB drugs?
Definition
Low Calcium
Low phosphorus
Raised Alk Phos

both rifampicin and isoniazid can cause vit D deficiency
Term
centriacinar emphysema seen in COPD

panacinar emphysema seen in?
Definition
alpha 1 anti trypsin deficiency
Term
features of plastic bronchitis
Definition
coughing out tubular gelatinous materials
found in asthma, bronchiectasis, CF
AKA Hoffmans bronchitis

rx: bronchial washing, prevention of infection
bronchoscopy to exclude malignancy and remove casts manually
Term
peak flow <50% is severe asthma
what is life threatening?
Definition
<33% predicted
Term
T/F histoplasmosis and Allergic bronchopulmonary aspergillosis are both associated with bronchiectasis?
Definition
True
as well as TB, measles, pertussis
Term
hypercalceamia is associated with type of lung cancer?
Definition
squamous cell carcinoma
Term
what is the name of the chemical pneumonia cause by aspiration of gastric contents during general aneasthesis?
Definition
Mendelson's syndrome
Term
when you insert a needle into the lung for aspiration or drainage in order to avoid the neurovascular bundle should you insert the needle above or below the rib?
Definition
Insert above the rib

this is because the neurovascular bundle lies just below.
Term
when you insert a needle into the lung for aspiration or drainage in order to avoid the neurovascular bundle should you insert the needle above or below the rib?
Definition
Insert above the rib

this is because the neurovascular bundle lies just below.
Term
when to repeat someone for cxr under 2 week rule for hoarseness?
Definition
age 45 or more with unexplained and persistent hoarseness for CXR to ENT
Term
why do we do a CXR in hoarseness?
Definition
to exclude apical lung tumour
Term
causes of hoarse voice
Definition
lung ca
overuse
laryngeal cancer
GORD
smoking
viral illness
hypothyroid
Term
stridor indicates
Definition
obstruction of windpipe or larynx
Term
compression stockings are used to prevent VTE which condition are they CI in?
Definition
PVD
Term
strategies to prevent VTE in hospitalised pts
Definition
mechanical VTE: compression stockings, intermittent pneumatic compression, foot impulses devices

therapeutic agents: LMWH, unfractionated heparin and Digabatrin in hip and knee prophylaxis surgery
Term
digabatrin is used as VTE prophylaxis in which types of surgery? what is its MOA?
Definition
used in hip and knee surgery

MOA: direct thrombin inhibitor
Term
ix in pregnant women with ?PE

D-dimer is unreliable because it can be raised with pregnancy.
Definition
start LMWH
CXR - if normal do
Compression Duplex Doppler
if both are negative women needs to have V/Q scan or CTPA

if these are all normal but suspicion remains high, keep her on LMWH and repeat tests in 1 week
Term
dilemas of V/Q and CTPA scanning in pregnancy
Definition
V/Q scan has increased risk of childhood cancer than CTPA but reduced risk of maternal breast cancer.
Term
if it is bright red or pink with alkaline pH what is it most likely to be?
Definition
haemoptysis

haematemesis: brown to black with acidic PH
Term
gingival thickening, saddle nose, nasal perf and haemoptysis. what are you thinking?
Definition
Wegeners AKA granulomatosis with Polyangitis
Term
fine inspiratory rales may be associated with haemoptysis. what does this sign suggest
Definition
it is associated with alveolar blood.
Term
how to nurse a palliative patient with haemoptysis
Definition
lie them on the side of their tumour
cover blood with red or green towels
give parental opioid and fast acting BDZ
Term
mx of haemoptysis
Definition
ABC
tranexamic acid
balloon tamponade
Term
define complete apnoea
Definition
10 second pause in breathing activity
Term
how is day time sleepiness assessed in obstructive sleep apnoea?
Definition
using the Epworth Sleepiness Scale

if score is >10 then ix is recommended.
Term
difference between apnoea and hypoapnoea?
Definition
apnoea: respiration ceased for 10 seconds
hypoapnoea: 10 secons where ventilation is reduced by at least 50%
Term
gold standard investigation to diagnose obstructive sleep apnoea?
Definition
Polysomnography (PSG)

it gives an apnoea/hypoxia index score AHI
Term
mx of obstructive sleep apnoea
Definition
conservative: weight loss, stop smoking, avoid alcohol and sedative drugs in evening

medical: CPAP for a minimum of 4 hours per night

surgery: uvuloparatopharyngoplasty
tonsillectomy
Term
other methods to manage obstructive sleep apnoea
Definition
tennis ball technique to the back or supine alarms
mandible splints that keep it in a forward position
Term
obstructive sleep apnoea complications
Definition
independent risk factor for stroke
can cause driving accidents
HTN CHD CCF
Term
driving and obstructive sleep apnoea
Definition
if they have day time sleepiness they need to cease driving until symptoms are under control
for group 2 license holder stop driving until symptoms under control and assessed by a consultant or specialist

you don't have to stop driving or inform the DVLA if you are being investigated for the condition or have the condition but not day time sleepiness

pts should tell DVLA but not stop driving if they are using CPAP or mandible splint. so long as they are compliant it shouldn't affect their license
Term
classification of obstructive sleep apnoea
Definition
mild 5-14 episodes per hour
moderate 15-30 episodes per hour
severe >30 episodes per hour
Term
CURB 65

score of 0 = mx in community
Definition
confusion <8/10 on amst
urea >7
rr >30
BP <90SBP or DBP<60
age 65 or > 1
Term
CURB score of 1

WHAT TO DO ?
Definition
measure o2 sats. if >92% then can mx in community but do a CXR

if CXR shows bilateral multilobar shadowing then admit to hospital
Term
pts with a CURB score of 2 or more?
Definition
manage in hospital as it suggests a severe CAP
Term
if pneumonia due to staph aureus what ABX should you add to amoxicillin?
Definition
flucox
Term
what are the CI to lung cancer surgery?
Definition
SVC obstruction
FEV < 1.5
malignant plueral effusion
vocal cord paralysis
Term
spirometry pattern in restrictive lung diseases
Definition
FEV1 is reduced
FVC is significantly reduced
FEV1/FVC is normal or increased
Term
spirometry pattern in obstructive lung diseases
Definition
FEV1 signifincantly reduced
FVC reduced or normal
FEV1/FVC reduced
Term
indications where chest drain should be put in
Definition
PH <7.2
purulent effusion
gram staining that indicates an infection is present
Term
adenocarcinomas may not be detected on bronchoscopy why is that?
Definition
they are peripheral lesions.

they are the commonest in non smokers
Term
tram track opacities are seen in which resp condition?
Definition
bronchiectasis
Term
vaccinations that someone with COPD should receive include?
Definition
annual influenza and one off pneumococcal
Term
SIGN guidelines on how to escalate care in asthma exacebation
Definition
o2
salbutamol nebs
ipratropium bromide nebs
hydrocortisone IV or PO pred
Mg sulphate IV
aminophylline or IV salbutamol
Term
71 year old man 2 month hx of cough and weightloss has a CXR and a mass suggestive of cancer is noted. what is the next ix?
Definition
contrast enhanced CT
Term
NICE suggest we do not prescribe ABx immediately but can do under which circumstances?
Definition
child <2 with bilateral otitis media
child with ottorhea and acute otitis media
pts with sore throat and 3 or more on centor criteria
Term
symptom control in non-CF bronchiectasis?
Definition
inspiratory muscle training and postural drainage
Term
pleural plaques are premalignant?

T/F
Definition
False.

they are benign and do not undergo malignant change
Term
NICE recommendations for COPD exacerbations?
Definition
increase frequency of bronchodilator use and consider giving it nebs
pred 30mg for 7-14 days

abx only if sputum is purulent or clinical signs of pneumonia
Term
in acute asthma exacerbations how long should you give oral pred for and what dose?
Definition
40mg for 5 days
Term
paraneoplastic features of small cell and squamous lung ca?
Definition
small cell: ACTH:cushings and ADH: hyponatreamia

squamous: PTHrP : hypercalceamia
Term
Abx of choice for HAP within 5 days of administration?
Definition
Co-amoxiclav or cerufoxime

after 5 days
pipercillin with tazobactam
or
broad spec cephlasporin
or
quinolone
Term
pyelonephritis Abx?
Definition
broad spec cephalosporin or quinolone
Term
how to remember obstructive lung conditions?
A BBC
Definition
Asthma
Bronchiectasis
Bronchiolitis obliteran
COPD

the rest are restrictive
Term
legionella rx?
Definition
Erythromycin
Term
when to use CPAP and when to use BIPAP?
Definition
BIPAP used in COPD

CPAP not as good at BIPAP in COPD
CPAP used in type I respiratory failure and pulmonary oedema
Term
why does mycoplasma pneumonia not respond to penicillins or cephalosporins?
Definition
it lacks a peptidoglycan cell wall

mx: erythromycin, clarithromycin

tetracyclines are an alternative
Term
what needle to use for diagnostic aspiration
Definition
21g and 50ml syringe
Term
in someone with CKD stage 4 who comes in with ?PE which ix would you do and why?

V/Q or CTPA?
Definition
V/Q because of their renal failure.
CTPA has contrast which wold be nephrotoxic in someone with already established CKD.
Term
a CXR shows cannon ball mets. what is the next line of ix?
Definition
CT abdo
this is because mets are usually from renal cancer and this ix can confirm this
Term
recommended diet in CF?
Definition
high calorie high fat with pancreatic enzyme supplements with every meal
Term
what are the most frequently isolated organisms in bronchiectasis?
Definition
pneumococcas and h influenzae
Term
farmers lungs is an example of?
Definition
extrinsic allergic alveolitis AKA hypersensitivity pneumonitis

causes: aspergillus, penicillum, birds
Term
what type of plueral effusion is seen in meigs syndrome?
Definition
Transdudate
Term
dry itchy red eyes in sarcoid?
Definition
keratoconjunctivitis sicca
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