15 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
negative culture Brain ... : Aspergillus, Cryptococcus ... nocardia - Fungal: Cryptococcus ... Dracunculiasis - Non-Infectious ... Coccidiomycosis, Cryptococcus
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
splenomegaly Other infections ... histoplasmosis, cryptococcus ... multiple lesions Infectious ... RingEnhancing #Lesions #Brain
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
for Concurrent Brain ... and Lung Infections ... Mucormycosis, Cryptococcus ... @ID_fellows #Brain ... #Lung #Infections
Hemiballismus on Physical Exam secondary to Cryptococcal fungal infection
MRI showed 2 pockets of infection on both
Exam secondary to Cryptococcal ... fungal infection ... showed 2 pockets of infection ... both sides of his brain
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Disseminated Infections ... Fluconazole CRYPTOCOCCUS ... level, presence of cryptococcal ... CSF and serum Cryptococcal ... • Sinusitis • Brain
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Mucormycosis, Cryptococcus ... febrilepodcast #Brain ... #Lung #Infections
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Mucormycosis, Cryptococcus ... febrilepodcast #Brain ... #Lung #Infections
Causes of Small Bowel Ulceration
The diagnosis of IBD can’t be made or excluded by biopsies alone
site - here’s a list ... • Infection: Salmonella ... Histoplasma, HIV, Cryptococcus ... Neoplasia: NET, GIST
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... antibiotics once stable ... shows a small, stable ... Dermatitidis - Cryptococcus
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Skin exam for infection ... event, follow ACC algorithm ... Stable patients ... no echo in the last ... if not done in last