Respi infections

Question 1

Mycoplasma pneumonia at risk group

Answer 1

young

Question 2

Mycoplasma pneumonia CXR findings 2

Answer 2

bilateral infiltrates

LL reticulo-nodular shadowing

Question 3

Hx atypical pneumonia 4

Answer 3

Headache

myalgia

arthralgia

then biphasic dry cough

Question 4

how to dydx strep and EBV

Answer 4

Centor/ Streptococcal score

0 – 1 : 2% strep

1 – 3 : rapid test

4 – 5: 52% strep, empirical abx

FATTA

Fever : 1

Absence of cough : 1

Tender ant. Cervical adenopathy : 1

Tonsillar swelling or exudates: 1

Age < 15: 1

15 to 45: 0

>45: -1

Question 5

rx for strep

Answer 5

10 days phenoxymethlypenicillin or IM benpen if compliance an issue

all : cephelexin or roxoithromycin

Question 6

TB massive haemorrhage rx

Answer 6

1. bronchoscopy
2. arteriographic embolisation
3. intubate if severe

Question 7

risk of TB reactivation

Answer 7

5-10% most in first 1-2 years

Question 8

most commonly affected organ in extra-pul disseminated TB

Answer 8

meninges up to 25% of miliary TB