Respiratory

Question 1

Procalcitonin

Answer 1

Elevated in bacterial lower respiratory tract infection
Dx or guide therapy

Question 2

CRUB65

Answer 2

C : confusion
U : urea
R : rate >30
B : blood pressure < 90 or 60
Age > 65
CRUB>= 2 hospitalize

Question 3

Pneumonia follow up

Answer 3

X ray resolution takes 4-6 weeks
Patient > 50 repeat x ray exclude malignant tumour

Question 4

Nosocomial pneumonia

Answer 4

Hospital acquired >72 after
Ventilator acquired > 48 after ventilation

Question 5

Pneumonitis
Irritation from aspiration of gastric acid

Answer 5

Acute onset dyspnea and hypoxia
Suctioning and oxygen (trt

Question 6

Causes of recurrent pneumonia

Answer 6

Same region: local airways obstruction
Recurrent aspiration: seizure , drug . Alcohol, Gerd
Different region : HIV , sino pulmonary disease