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Unusual Lung Infxns

Pulmonary Board Review

Branching, gram-positive filamentous weakly acid-fast organism Nocardia
How does Nocardia spread? Hematogenously (1/3 will go to brain)
Treatment for Nocardia? TMP-SMX
Characteristic sulfur (yellow) granule Actinomycosis
Drug of choice for actinomycosis? Penicillin
HRCT criteria for diagnosis of bronchiectasis (3)? 1. Internal bronchus diameter that is wider than its adjacent artery (signet ring formation) 2. Failure of bronchi to taper as they move toward the periphery of the lung parenchyma 3. Bronchi visualized in the outer 1 to 2 cm of the lung fields
Triad of bronchiectasis, sinusitis and situs inversus Kartagener Syndrome
Created by: proguy911