33 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
Droplets that contain bacilli ... Tuberculosis Diagnosis ... and Culture • CXR ... disease • Check CXR ... #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
Droplets that contain bacilli ... Tuberculosis Diagnosis ... and Culture • CXR ... disease • Check CXR ... #Diagnosis #Management
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... of a cavitating lung ... embolus I = infection ... (TB, fungal, staph ... bronchogenic cyst #Diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... Fungal, AFB), TB ... #workup #diagnosis
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases ... symptoms of active pulmonary ... - Spread of bacilli ... tissue damage - CXR ... for concomitant pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... • Most common cause ... westermani • Other: TB ... #Abscess #pulmonary
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
- Differential Diagnosis ... Parenchyma: • Infection ... : TB, Paragonimus ... westermani, PNA, Lung ... #pulmonary #causes
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
- Differential Diagnosis ... sweats, chills (infection ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... #Algorithm #causes
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: TB, NTM, PNA ... in the adjacent lung ... of the affected lung ... parenchyma Diagnosis ... #differential #diagnosis
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Immunodeficiency 3) Infection ... (Bacterial, TB, ... Bronchiectasis #pulmonary ... #diagnosis #differential ... #causes