Term
What is the definition of community acquired pneumonia that enables one to make a diagnosis? |
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Definition
need acute interstital changes on xray
need acute symptoms of infection
need to be in community out of hospital/long term care for >14 days |
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Term
How many cases of community acquried pneumonia are there per year in the US? |
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Definition
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Term
What is true of blood cultures in pneumonia? |
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Definition
they are highly specific but not senstitive |
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Term
What types of pneumonia can you do urinary antigen test for? |
|
Definition
Legionella and Streptococcus Pneumoniae |
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Term
If you suspect legionella what type of test would you want to perform other than a urine antigen test? |
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Definition
sputum test with dieterle silver stain |
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Term
What serotype does the legionella urine antigen test test for? |
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Definition
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Term
if you suspect Pneumocystis carinii, what type of stain would you do? (not in this lecture, but for the boards) |
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Definition
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Term
What are the four most common community acquired pneumonia in order? |
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Definition
streptococcus pneumonia
Haemophilis Influenza (nontypeable)
Mycoplasma pneumonia
Chlamydia Pneumonia |
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Term
What does prior antibiotic treatment due to the sensitive of a test? |
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Definition
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Term
What are the three most common pneumonias seen in otitis media in order?
and for COPD? |
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Definition
streptococcus Pneumonia
Haemophilus INfluenza (non-typeable)
Moraxella catarrhalis
COPD: H. Influenza, Moraxella, Strept
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Term
What three pneumonias are most common in patients post influenza? |
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Definition
streptococcus pneumonia
H. Influenza
Staph aureus |
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Term
What are the three most common types of pneumonia in early HIV infected patients? |
|
Definition
Streptococcus Pneumonia
H. Influenza
TB |
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Term
What is the most likely general bacteria causing pneumonia in aspiration and airway obstruction? |
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Definition
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Term
If one has exposure to birds, what cause of pneumonia is most common? |
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Definition
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Term
What is the gram stain of haemophilus influenza? What other bacteria has this same stain? |
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Definition
gram negative coccobacillus
same as bordetela pertussis |
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Term
What are the most common serotypes of Haemophilus Influenza? |
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Definition
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Term
Which form of Haemophilus influenza is more invasive? B or nontype |
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Definition
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Term
What ethnic groups have a higher risk for Haemophilus INfluenza? |
|
Definition
A.A. and Native Americans |
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Term
Why is there a low rate of nasopharyngeal colonization of haemophilus influenza type B? |
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Definition
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Term
How is haemophilus influenza spread? |
|
Definition
airborn or direct contact |
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Term
Which form of Haemophilis Influenza is a more clonal type? |
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Definition
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Term
What is early colonization of nontypeable haemophilus influenza associated with? |
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Definition
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Term
Who has an increase colonization of H. Influenza, the young or old? |
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Definition
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Term
What individuals is it common to have lower respiratory tract colonization of H. INfluenza? |
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Definition
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Term
In children less than 6 what does H. Influenza Cause? |
|
Definition
Epiglottitis
Meningitis
Otitis Media (non typeable)
Pneumonia
cellulitis |
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Term
Which type of H. Influenza causes the otitis media? |
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Definition
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|
Term
What does H. Influenza cause in adults? |
|
Definition
COPD exacerbation
Sinusitis
Community acquired pneumonia (2nd leading cause) |
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Term
Which form of H. Influenza is spread hematogenously? |
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Definition
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Term
What is the pathogenesis progression of Haemophilus influenza type B from colonization of the upper respiratory tract to CSF? |
|
Definition
colonize upper respiratory tract
invades respiratory epithelial cells
replicates in submucosa
gets into blood (bacteremia)
Into CSF through choroid plexus
Meningitis |
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Term
What type of Haemophilus INfluenza effects children <6 more severly? |
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Definition
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Term
Which type of Haemophilus INfluenza causes a localized mucosal infection and does not invade?
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|
Definition
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Term
How does nontypeable Haeophilus INfluenza get into the ear to cause otitis media when it is not invasive? |
|
Definition
it travels up eustacain tube |
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|
Term
What is the gram stain of Moraxella catarrhalis? |
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Definition
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Term
Why can't bordetella pertussis live outside the body? |
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Definition
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Term
Which is true of the toxins in bordatella pertusis? |
|
Definition
powerful and the classic A/B structure |
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|
Term
What does bordetella pertussis cause? |
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Definition
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Term
How is bordatella pertussis spread? |
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Definition
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Term
Why are we seeing more bordatella pertusis in infants and adults (2 seperate reasons)? |
|
Definition
in infants less than 1 b/c of decreased maternal antibody
and in adults b/c of limited duration of vaccine efficacy |
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Term
What are the three stages of bordatella pertussis infection? |
|
Definition
catarrhal/prodromal stage
paroxysmal stage
convalescent stage |
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|
Term
Which stage of bordatella pertussis is non specific?
How long does it last? |
|
Definition
catarrhal/prodromal stage
lasts for 7-14 days |
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Term
What stage in bordatella pertusis do you get the paroxysm cough tenacoious mucous and lymphocytosis? |
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Definition
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Term
How long does the paroxsymal stage last in Bordatella Pertusis? |
|
Definition
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|
Term
How long does the convalescent stage last in bordatella pertussis? |
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Definition
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Term
Bordatella pertussis causes both local and systemic effects. What attributes to the local effects?
What attributes to the systemic effects? |
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Definition
local effects are due to the tetrapeptide disaccharide tracheal cytotoxin
systemic effects are due to the toxin production |
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Term
What is the systemic manifestation in bordatella pertussis? |
|
Definition
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Term
What is the local manifestation of bordatella pertusis? |
|
Definition
ciliary loss, mucous, cough |
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|
Term
WHat bacteria elements does the pertussis vaccine contain? (4) |
|
Definition
fimbriae, pertactin, filamentous hemagglutinin, inactivate pertussis toxin |
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