18 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... : Lung abscess, ... Emboli, Fungal Infection ... : TB, NTB, Fungal ... lesion #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
Droplets that contain bacilli ... affecting the lungs ... • Lymphoma • Lung ... abscess Primary ... • Progressive lung
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung abscess ... westermani • Other: TB ... Abscess Differential
Massive Hemoptysis - Differential Diagnosis Framework and Management
Definition: 150-600 mL over 24 hours
Differential Diagnosis:
 • Tracheobronchial:
Parenchymal: PNA, Abscess ... , TB, Mycetoma, ... Alveolar Hemorrhage, Lung ... Intubation 2) Bad Lung ... Management #pulmonary #criticalcare
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Droplets that contain bacilli ... affecting the lungs ... • Lymphoma • Lung ... abscess Primary ... • Progressive lung
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... pulmonary embolus I = infection ... - pulmonary abscess ... (TB, fungal, staph ... Cavitary #Lesions #Differential
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Parenchyma: • Infection ... : TB, Paragonimus ... westermani, PNA, Lung ... abscess, Aspergillosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... including: M, avium, TB ... multiple lesions Infectious ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Parenchyma: • Infection ... : Bacterial (TB, ... Necrotizing PNA, Abscess ... Postprocedural, Lung
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... • Lymphoma • TB ... Night Sweats: • TB ... Brucellosis • Liver or lung ... Fever #Patterns #Differential