8 results
Massive Hemoptysis - Differential Diagnosis Framework and Management
Definition: 150-600 mL over 24 hours
Differential Diagnosis:
 • Tracheobronchial:
Massive Hemoptysis ... PNA, Abscess, TB ... Alveolar Hemorrhage, Lung ... Primary Vascular: Pulmonary ... Intubation 2) Bad Lung
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Infection: Bacterial (TB ... PNA, Abscess), Viral ... #Differential # ... Diagnosis #pulmonary
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
affecting the lungs ... Pleuritic CP • +/- hemoptysis ... Complications: Hemoptysis ... Tuberculin skin test ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
affecting the lungs ... Pleuritic CP • +/- hemoptysis ... Complications: Hemoptysis ... Tuberculin skin test ... #Diagnosis #Management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
> 10 days - Hemoptysis ... westermani • Other: TB ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Dyspnea • Hemoptysis ... • Infection: TB ... in the adjacent lung ... of the affected lung ... #differential #
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... Legionnaires disease • Pulmonary ... infarction • COVID ... Pneumonia • Other lung ... ratio < 1.5) from viral
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Cytopenias VIRAL ... infiltrates, mimicking TB ... Infections #HIV #AIDS #pulmonary ... #differential #