42 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... negative culture Brain ... : 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 ... : • 80% have fever ... Intervention: - Fevers ... Dermatitidis - Cryptococcus ... #differential #causes
Causes of Post-Partum Fever - Differential Diagnosis Algorithm
6 W's for causes of PPF
 - Wind: pneumonia,
Fever - Differential ... Diagnosis Algorithm ... Episiotomy • Abscess ... #PostPartum #Fever ... Differential #Diagnosis #Algorithm
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
histoplasmosis, cryptococcus ... Syphilis • Pyogenic Abscess ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes
Causes of Altered Level of Consciousness GCS < 7 - Differential Diagnosis Algorithm

Brain Involvement - Hemispheric
Causes of Altered ... Differential Diagnosis Algorithm ... • Neoplastic Abscess ... • Neoplastic Abscess ... #Causes
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Differential Diagnosis Algorithm ... Encephalitis, Brain ... Abscess, Toxoplasmosis ... #Causes #neurology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Differential Diagnosis Algorithm ... Osteomyelitis • Occult abscess ... Differential #Diagnosis #Algorithm ... #causes
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Diagnosis Algorithm ... Skin Infection Abscess ... Differential #Diagnosis #Algorithm ... #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
pneumonia (PJP), MAI, Cryptococcal ... nodules, plaques) Cryptococcus ... Legionella: • Nausea ... factor • May cause ... reported in 100% of cases
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Aspergillus • Cryptococcus ... night sweats, fever ... Septic Emboli Cause ... Treat underlying cause ... Persistent bacteremia/fevers