12 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... 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
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... of a cavitating lung ... - pulmonary abscess ... (TB, fungal, staph ... Cavitary #Lesions #Differential
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... • Infection: TB ... westermani, PNA, Lung ... abscess, Aspergillosis ... Diagnosis #pulmonary #causes
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Infection: Bacterial (TB ... Necrotizing PNA, Abscess ... Postprocedural, Lung ... Diagnosis #pulmonary #causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... including: M, avium, TB ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential ... #diagnosis #causes
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
stroke Tuberculous Abscess ... : • More bacilli ... neurological symptoms • Caused ... Tuberculosis #diagnosis #differential ... #TB #neurology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... - M. abscessus ... Kansasii: • Mimics TB ... • Dyspnea, • Chest ... NTM #Infections #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Legionella: • Nausea ... factor • May cause ... infiltrates, mimicking TB ... AIDS #pulmonary #differential
Fever Patterns - Differential Diagnosis Framework

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