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Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Concurrent Brain and Lung ... Mucormycosis, Cryptococcus ... ID_fellows #Brain #Lung ... Differential #Diagnosis #causes
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain and Lung ... Mucormycosis, Cryptococcus ... febrilepodcast #Brain #Lung ... Differential #Diagnosis #causes
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain and Lung ... Mucormycosis, Cryptococcus ... febrilepodcast #Brain #Lung ... Differential #Diagnosis #causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... histoplasmosis, cryptococcus ... differential #diagnosis #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Clindamycin in case ... Dermatitidis - Cryptococcus ... #differential #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... pneumonia (PJP), MAI, Cryptococcal ... nodules, plaques) Cryptococcus ... Legionella: • Nausea ... factor • May cause
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Also known as: Lung ... Broncholithiasis - Infectious Causes ... Immitis • Cryptococcus ... Noninfectious Causes
IDSA Treatment Recommendations for Cryptococcal Meningoencephalitis - Induction, Consolidation and Maintenance Therapy

Table 2. Antifungal Treatment Recommendations
Recommendations for Cryptococcal ... Recommendations for Cryptococcal ... Recommendations for Cryptococcal ... Recommendations for Cryptococcal ... management #meningitis #cryptococcus
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... positive in 90% of IE cases ... Aspergillus • Cryptococcus ... Septic Emboli Cause ... Treat underlying cause
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
polysaccharide capsule of Cryptococcus ... detection for cryptococcal ... mucopolysaccharide capsule of Cryptococcus ... cell walls of Cyptococcus