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Random Pulm
First Aid 2012 pp558-577
44
Medical
Graduate
02/05/2013

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Cards

Term
dust particle removal
(sizes and method of removal)
Definition
< 2.5 --> macrophages
2.5-10 --> mucociliary transport (cilia until term/resp bronchioles)
10-15 --> trapped in upper resp tract
Term
position of lower border of pleura and where to perform thoracentesis at mid-clavicular, mid-axillary, and paravertebral lines
Definition
mid-clavicular --> 7th rib, 5-7th ribs
mid-axillary --> 10th rib (R upper border, L lower border), 7-9th rib
paravertebral --> 12th rib, 9-11th rib
Term
intercostals -- which for inspiration, which for expiration
Definition
external intercostals --> inspiration
internal intercostals --> expiration
Term
five things made by lungs
Definition
1. surfactant
2. prostaglandins
3. histamine --> bronchoconstriction
4. ACE
5. kallikrein --> activates bradykinin
Term
approximate value of intrapleural pressure
Definition
-5 cm H2O
Term
pulmonary edema changes compliance!!
by diluting surfactant!!
Definition
Term
two forms of hemoglobin
Definition
T (taut) -- low affinity for O2
R (relaxed) -- high affinity for O2
Term
are these perfusion limited or diffusion limited??

CO2
N2O
CO
Definition
CO2 --> perfusion
N2O --> perfusion
CO --> diffusion
Term
definition of pulm HTN
Definition
>= 25 mmHg at rest; > 35 mmHg during exercise (normal is 10-14)
Term
mechanism of primary pulm HTN
Definition
inactivating mutation of BMPR2 (which normally inhibits SM proliferation)
Term
when you see cyanosis
Definition
deoxy Hg > 5 g/dL
Term
normal A-a gradient
Definition
10-15 mmHg
Term
causes of hypoxemia with normal A-a gradient
Definition
hypoventilation
high altitude
Term
cranial nerves carrying info from
-- carotid bodies
-- aortic bodies
Definition
carotid bodies --> CN IX
aortic bodies --> CN X
Term
what the chemoreceptors respond to
Definition
central (medulla) -- CO2, pH
peripheral (carotid, aortic bodies) -- CO2, pH (carotid body), AND O2 (<60)
Term
Homan's sign
Definition
dorsiflexion of foot --> tender calf muscle (DVT)
Term
Curschmann's spirals
Definition
shed epithelium forming mucus plugs (asthma)
Term
Charcot-Leyden crystals
Definition
eosinophil-derived proteins (asthma)
Term
Caplan's syndrome
Definition
coal miner's lung + RA
Term
"eggshell" calcification of LN
Definition
silicosis
Term
golden-brown fusiform rods resembling dumbbells (Prussian blue positive)
Definition
asbestos bodies
Term
which lobes are most affected by coal miner's, silicosis, asbestosis
Definition
coal miner's, silicosis --> upper lobes
asbestos --> lower lobes
Term
cancers associated with asbestos
Definition
#1 bronchiogenic carcinoma
#2 mesothelioma
Term
what causes retinopathy of prematurity
Definition
O2 toxicity!! --> increased VEGF
Term
definition of apneic episode
Definition
stop breathing > 10 sec
Term
fremitus for pleural effusion and lobar pneumonia
Definition
pleural effusion -- decreased fremitus
lobar pneumo -- increased fremitus
Term
location of lung tumors
small cell, adeno, squamous, large cell
Definition
small cell -- central
adeno -- peripheral
squamous -- central
large cell -- peripheral
Term
derived from what (and what's it look like?!)
small cell, adeno
Definition
small cell -- neuroendocrine, Kulchitsky cells (small, dark blue)
adeno -- Clara cells --> type II pneumocytes
Term
positive for in neuroendocrine cells (3)
Definition
enolase, chromogranin, synaptohysin
Term
lung tumor/cancer key words:
presents like pneumonia
hypertrophic osteoarthropathy
cavitation
"popcorn calcifications"
Definition
bronchioloalveolar (BAC)
bronchioloalveolar (BAC)
squamous cell
hamartoma (chondroma)
Term
columnar cells line alveolar septa without vascular or stromal invasion (benign or malignant?)
Definition
bronchioloalveolar!!
malignant!!
Term
laryngeal polyp vs. papilloma (malignant potential?!?!)
Definition
polyp -- no!
papilloma -- in adults, yes! in kids, it's HPV, no
Term
lung abscess -- where did you aspirate from, what bacteria
Definition
oropharynx!! (NOT gastric)
Staph aureus, Bacteroides, Fusobacterium, Peptosteptococcus
Term
Light's criteria
Definition
if yes, then exudative
1) pleural: serum protein > 0.5
2) pleural: serum LDH > 0.6
3) pleural LDH > 2/3 normal upper limit in serum
Term
what do you have to do if it's an exudative pleural effusion?
Definition
must drain!!
Term
thick finger tips (what is it, what causes it?)
Definition
clubbing

pulm -- cancer, TB, CF, bronchiectasis, pHTN, empyema (NOT asthma)
cardiac -- cyanotic heart disease
other -- IBD, hyperthyroid, malabsorption
Term
trachea toward side of lesion
Definition
1) spontaneous pneumothorax
2) atelectasis 2/2 bronchial obstruction (like cancer!!)
Term
statified squamous in respiratory tract
Definition
oropharynx
laryngopharynx
anterior epiglottis
upper 1/2 posterior epiglottis
true vocal cords
Term
birefringent particles surrounded by fibrous tissue
Definition
silicosis
Term
hypersensitivity pneumonitis (histology)
Definition
non-caseating granulomas
Term
berylliosis (histology)
Definition
non-caseating granulomas
Term
green of sputum/pus
Definition
myeloperoxidase!!
Term
superior vena cava syndrome
Definition
MEDIASTINAL mass!!
Term
airway resistance
Definition
greatest in medium-sized bronchi
lowest in bronchioles
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