244 results
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 ... • Progressive lung ... Tuberculosis Diagnosis ... Tuberculin skin ... #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 ... • Progressive lung ... Tuberculosis Diagnosis ... Tuberculin skin ... #Diagnosis #Management
Identify a Positive Tuberculosis (TB) Skin Test
#Diagnosis #Tuberculosis #LatentTB #Tuberculin #SkinTest #TST #Interpretation #Induration #Thresholds #Diameters
Tuberculosis (TB ... ) Skin Test #Diagnosis ... Tuberculosis #LatentTB #Tuberculin
Tuberculin Skin Test Interpretation - Threshold for treatment
Induration cutoff >5mm:
 • Recent exposure to an individual
Tuberculin Skin ... individual with active TB ... consistent with old TB ... carcinoma of head/neck/lung ... SkinTest #TST #diagnosis
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential Diagnosis ... Chronic Infections: TB ... #Disease #Diagnosis ... Algorithm #lesion #pulmonary
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Diagnosis by Distribution ... Infectious (viral, TB ... BrighamChiefs #Lung ... #Distribution #pulmonary
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... abscess (TB, fungal ... bronchogenic cyst #Diagnosis ... #Differential #Lung ... #Pulmonary
Massive Hemoptysis - Differential Diagnosis Framework and Management
Definition: 150-600 mL over 24 hours
Differential Diagnosis:
 • Tracheobronchial:
PNA, Abscess, TB ... Alveolar Hemorrhage, Lung ... Primary Vascular: Pulmonary ... Intubation 2) Bad Lung ... #Management #pulmonary
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
- Differential Diagnosis ... • Infection: TB ... westermani, PNA, Lung ... #Differential #Diagnosis ... #pulmonary #causes
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Testing LATENT TB ... • LTBI is diagnosed ... IGRA/QuantiFERON-TB ... interpreted Tuberculin ... used to exclude pulmonary