7 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Pseudomonas FUNGAL ... • CT: Halo sign ... Abdominal pain, chronic ... infiltrates, mimicking TB ... differential #diagnosis #infectiousdiseases
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 ... infection (NTM) • Fungal ... • Productive cough ... and Culture • CXR ... • Check CXR and
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • Chronic ... dyspnea, productive cough ... seen • Chest CT ... Prevotella • Fungal ... westermani • Other: 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 ... infection (NTM) • Fungal ... • Productive cough ... and Culture • CXR ... • Check CXR and
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... Kansasii: • Mimics TB ... - Cough and lung ... Imaging, high res CT ... differential #diagnosis #infectiousdiseases
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
cough • Hypoxia ... • Infection: TB ... in the adjacent lung ... high-resolution chest CT ... , CCP, ANCA • HIV
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
symptoms • Fever, cough ... pulmonary infection • Cough ... change in the lungs ... nails, bronchi, lungs ... ) #Mycoses #InfectiousDiseases