10 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... disease or CHF) ... ) • Abnormal CXR ... refer + order CT ... History of cancer, lung
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... dyspnea, productive cough ... Abscess Diagnosis ... seen • Chest CT ... westermani • Other: TB
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Kansasii: • Mimics TB ... - Cough and lung ... Lung Disease: ... Imaging, high res CT ... #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
abscess Primary ... • Productive cough ... and Culture • CXR ... • Check CXR and ... #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
abscess Primary ... • Productive cough ... and Culture • CXR ... • Check CXR and ... #Diagnosis #Management
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Framework Disease ... • CT: Halo sign ... infiltrates, mimicking TB ... #infectiousdiseases
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Typical Symptoms: cough ... : weight gain, lung ... HFrEF may lack lung ... CXR congestion. ... coronary artery disease
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Symptoms: • Chronic cough ... • Infection: TB ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential Diagnosis ... , verrucous) - Lung ... , Pancreas, Gastric ... Culture Positive: • Acute ... #cardiology #infectiousdiseases
Mycoses

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