Lung Abscess

Question 1

What are the most aetiological agents underlying lung abscess?

Answer 1

S. aureus
Klebsiella
Pseudomonas

Question 2

What are the most common causes of lung abscess?

Answer 2

Aspiration of infected material from URT or gastric contents
Distal to bronchial obstruction by tumours
Septic emboli to the lungs (IVDU is a risk factor)