8 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
tuberculosis (LTBI) Pathophysiology ... regional lymph nodes ... pneumothorax, bronchiectasis ... and Culture • CXR ... disease • Check CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... regional lymph nodes ... pneumothorax, bronchiectasis ... and Culture • CXR ... disease • Check CXR
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Infection: TB ... Nasal polyps and signs ... in the adjacent lung ... of the affected lung ... #pulmonary #differential
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
-> Rheumatoid Nodules ... pleural effusion on CXR ... disease/pulmonary ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Abscess Pathophysiology ... Blood cultures • CXR ... westermani • Other: TB ... #Abscess #pulmonary ... #differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Illnesses: • Pulmonary ... Centrilobular nodules ... - Bronchiectasis ... Kansasii: • Mimics TB ... NTM #Infections #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... infiltrates, mimicking TB ... Infections #HIV #AIDS #pulmonary ... #differential #
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... granulomas within the lungs ... e.g. incidental CXR ... Pulmonary: dyspnea ... Diagnosis #Management #Signs