Microbiology 14 - Respiratory Tract Infection Flashcards Preview

Year 5 Pathology ICSM > Microbiology 14 - Respiratory Tract Infection > Flashcards

Flashcards in Microbiology 14 - Respiratory Tract Infection Deck (31)
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1

What pattern of pneumonia is usually produced by streptococcus pneumoniae?

Neatly lobar pneumonia

2

What pattern of haemolyisis does S. pneumonia show?

Alpha haemolysis

3

What are the top 2 organisms that can cause CAP?

S. pneumoniae
H. influenzae

4

What are the 3 most likely organisms to cause CAP in neonates?

E coli
Group B strep
Listeria

5

What are the 3 most likely organisms to cause CAP in 1-6 month olds?

Chlamydia
S. aureus
RSV

6

What are the 2 most likely organisms to cause CAP in 6 month - 5 year olds?

Mycoplasma
Influenza

7

Recall the CURB 65 criteria

Confusion
Urea > 7
Resp rate > 30
BP <90 systolic/ <60 diastolic
Age > 65

8

How will a CXR appear in bronchitis?

Normal

9

How should bronchitis be managed?

Bronchodilators and antibiotics IF bacterial cause (usually viral)

10

In which patient group is H. influenzae most likely to cause CAP?

Those with a pre-existing lung condition

11

Which cause of CAP is associated with confusion?

Legionella

12

What are the typical symptoms and signs of legionella pneumonia?

Confusion
Abdominal pain
Diarrhoea
Hyponatraemia

13

Why are penicillins ineffective in atypical pneumonia?

Organisms that can cause atypical pneumonia don't have a cell wall

14

What are the possible extrapulmonary features of atypical pneumonia?

Hepatitis
Hyponatraemia

15

What is the biggest risk factor for coxiella burnetti pneumonia?

Exposure to domestic/ farm animals

16

How is coxiella pneumonia diagnosed?

Serology

17

Which type of atypial pneumonia is spread by birds?

Chlamydia psittaci

18

What imaging is needed to diagnose empyema?

CT

19

How can empyema be treated?

Large chest drain

20

Which type of pneumonia might cause a mild anaemia?

M. tuberculosis

21

What is a hospital-acquired pneumonia?

Pneumonia that develops within 48 hours of being in hospital

22

How can upper and lower respiratory flora be identified and distinguished in HAP?

Bronchial lavage

23

Which organism is the most common cause of HAP?

Enterobactericiae

24

What is the typical CXR appearance of PCP pneumonia?

Bat wing

25

What antibiotic is used to treat PCP pneumonia?

Co-trimoxazole

26

Which patient population is most at-risk of aspergillus pneumonia?

Immunosuppressed (eg prolonged chemo/ HIV)

27

What is the treatment for aspergillus pneumonia?

Amphotericin B

28

Which 2 pneumonia-causing organisms can be tested for in urine?

S. pneumoniae
Legionella
NOTE: only useful in PAIRED samples

29

What is the antibiotic of choice to treat MRSA pneumonia?

Vancomycin

30

What is the antibiotic of choice to treat pseudomonas pneumonia?

Piptazobactam

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