14 results
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Travelers from ... Frequent Differential Diagnoses ... melioidosis, typhoid, pulmonary ... eosinophilia - Tropical pulmonary ... #differential #diagnosis
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Nocardia) - Endemic Fungi ... psittaci/avian, leptospirosis ... yersinia/rats, Q fever ... ) - Returning travelers ... NonResolving #Pneumonia #diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... • CD4 < 200: Pulmonary ... Evaluation: Imaging (CXR ... HIVAIDS #workup #diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection (NTM) • Fungal ... Active TB: • Fever ... and Culture • CXR ... #TB #Diagnosis ... #Management #Treatment
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Infectious (Variable) - Fungal ... , parasites; Travel ... #Diseases #pulmonary ... #differential #diagnosis ... #comparison #table
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection (NTM) • Fungal ... Active TB: • Fever ... and Culture • CXR ... #TB #Diagnosis ... #Management #Treatment
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... : • 80% have fever ... Blood cultures • CXR ... Prevotella • Fungal ... #Abscess #pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Mycobacterium tuberculosis ... Pseudomonas FUNGAL ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Differential Diagnosis ... Mycobacterium: Tuberculosis ... - Endemic fungi ... #pulmonary #CXR
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
conidia → Yeast → travel ... respiratory symptoms • Fever ... change in the lungs ... nails, bronchi, lungs ... #Diagnosis #Management