11 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... seen • Chest CT ... Prevotella • Fungal ... #Abscess #pulmonary ... #differential #causes
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
infections are caused ... SOT, Advanced HIV ... presentations: • Pulmonary ... AspGM can be also positive ... #fungal #infectiousdiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Pseudomonas FUNGAL ... • CT: Halo sign ... factor • May cause ... #AIDS #pulmonary ... differential #diagnosis #infectiousdiseases
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
in the adjacent lung ... of the affected lung ... high-resolution chest CT ... , CCP, ANCA • HIV ... mycobacteria Treatment
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... mucogenicum • HIV ... Advanced HIV (CD4 ... Imaging, high res CT ... differential #diagnosis #infectiousdiseases
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Antimicrobial treatment ... enhancement on CT ... Demyelinating disease caused ... and <25% culture positive ... opportunistic #InfectiousDiseases
Empyema Necessitans (EN) on Chest Wall Physical Examination

Pulmonary teaching case: you are called to the bedside
Examination Pulmonary ... coughed and now his ... With expiration, positive ... most common) - Fungus ... Fusobacterium Treatment
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Blood cultures are positive ... Cerebral > Splenic, pulmonary ... nodes • Roth’s spots ... Treat underlying cause
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
, verrucous) - Lung ... Cerebral > Splenic, Pulmonary ... nodes • Roth’s spots ... hematuria, + RF Treatment ... #infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Inhalation of spores ... change in the lungs ... nails, bronchi, lungs ... infection have positive ... ) #Mycoses #InfectiousDiseases