7 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... ) • Abnormal CXR ... refer + order CT ... disease #Chronic ... #Cough #Differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • Chronic ... dyspnea, productive cough ... CT Lung Abscess ... westermani • Other: TB ... Abscess Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... Abdominal pain, chronic ... factor • May cause ... infiltrates, mimicking TB
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
• Silicosis • Chronic ... abscess Primary ... • Productive cough ... and Culture • CXR ... • Check CXR and
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
• Silicosis • Chronic ... abscess Primary ... • Productive cough ... and Culture • CXR ... • Check CXR and
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
cough • Hypoxia ... • Infection: TB ... CT) • Broncho-arterial ... , CCP, ANCA • HIV ... mycobacteria Treatment
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Kansasii: • Mimics TB ... - Cough and lung ... • Dyspnea, • Chest ... Imaging, high res CT