Loading....
Coupon Accepted Successfully!

Medicine

Open Flashcards

Respiratory

Question
1 out of 26
 

Most important cause of nosocomial pneumoniae is?

(AIPG 2011)



A Streptococcus

B Haemophilus influenzae

C Moraxella catarrhalis

D Gram negative enterobacteria

Ans. D

Gram negative enterobacteria

Extra Edge:

Classification and causes of pneumonia

1). Community-acquired pneumonia (CAP) may be primary or secondary to underlying disease.

a. Streptococcus pneumoniae is the commonest cause Q, followed by Haemophilus influenzae Q and Mycoplasma pneumoniae Q. Moraxella catarrhalis.

b. Staphylococcus aureus, Legionella species, and Chlamydia

c. Gram negative bacilli, Coxiella burnetii and anaerobes are rare.

d. Virus account for up to 15%.

2). Hospital acquired (nosocomial) (>48hrs (MCQ) after hospital admission). Most common Gram negative Q enterobacteria or Staph aureus. Pseudomonas Q, KlebsiellaQ, Bacteroides Q, ClostridiaQ.

3). Aspiration Those with stroke, myasthenia, bulbar palsies, consciousness (postictal or drunk), oesophageal disease (achalasia, reflux), or with poor dental hygiene, risk aspirating oropharyngeal anaerobes Q.

4). Immunocompromised patient: Strep. pneumoniae Q, H. influenzae Q, Staph. aureus Q, M. catarrhalis Q, M. pneumoniae Q, Gram- ve bacilli Q and Pneumocystis jiroveci (formerly named P. carinii,). Other causes are fungi, viruses (CMV, HSV), and mycobacteria.

Respiratory Flashcard List

26 flashcards
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
15)
16)
17)
18)
19)
20)
21)
22)
23)
24)
25)
26)