26 results
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 ... fungus #comparison #table
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... : Aspergillus, Cryptococcus ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... antibiotics once stable ... shows a small, stable ... Dermatitidis - Cryptococcus ... #differential #causes
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Diagnosis for Concurrent ... Mucormycosis, Cryptococcus ... Lung #Infections #Concurrent ... Differential #Diagnosis #causes
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Mucormycosis, Cryptococcus ... Lung #Infections #Concurrent ... Differential #Diagnosis #causes
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Mucormycosis, Cryptococcus ... Lung #Infections #Concurrent ... Differential #Diagnosis #causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
histoplasmosis, cryptococcus ... Syphilis • Pyogenic Abscess ... differential #diagnosis #causes
Emergency Treatment Algorithm for Convulsive Status Epilepticus
1. ABCDEFG (ABC's and Don't Ever Forget the Glucose)
2. Airway:
Emergency Treatment Algorithm ... IV access 4. ... Concurrently search ... for reversible cause ... Epilepticus #Treatment #Algorithm
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... Gravity Step 3: Assess ... volume status and ... considered likely, the cause ... Workup #Evaluation #Algorithm
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Aspergillus • Cryptococcus ... Septic Emboli Cause ... Treat underlying cause ... annular or aortic abscess ... Complications: Abscess