13 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... - Differential ... Malignancy • Bronchiectasis ... • Abscess/Mycetoma ... Malformation Normal CXR
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Bronchitis • Bronchiectasis ... • Infection: TB ... westermani, PNA, Lung abscess ... #causes
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases ... Clinical Signs ... years - May have signs ... decreased reflexes Pathophysiology ... tissue damage - CXR
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... arthritis (rheumatoid nodules ... abscess (TB, fungal ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... • Infection: TB ... Nasal polyps and signs ... #pulmonary #differential
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... emboli • Lung abscess ... pneumothorax, bronchiectasis ... and Culture • CXR ... disease • Check CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Pathophysiology ... Blood cultures • CXR ... westermani • Other: TB ... #pulmonary #differential
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... emboli • Lung abscess ... pneumothorax, bronchiectasis ... and Culture • CXR ... disease • Check CXR
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
• Bronchitis, Bronchiectasis ... Infection: Bacterial (TB ... Necrotizing PNA, Abscess ... #Diagnosis #pulmonary ... #causes
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
pleural effusion on CXR ... inflammation tends to cause ... interstitial lung disease/pulmonary ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms