13 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
PCR 50% sensitive ... granulomatosis: • EBV-associated ... lesions • 80% with lung ... multiple lesions Infectious ... Lesions #Brain #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
hemorrhage • CSF PCR ... Toxoplasma gondii PCR ... • JC-virus PCR ... Enhancement • PCR ... #Infections #differential
Chest radiography showed perihilar opacities in both lungs with free air in the mediastinum (Panel A,
opacities in both lungs ... opacities in both lungs ... severity in the left lung ... #Clinical #PCC # ... IM #EM #Pneumomediastinum
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Liver Injury: • Infectious ... HBV, HCV, HEV, EBV ... CA, small cell lung ... rises later - Half-life
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Donath-Landsteiner Antibodies[PCH ... Clinical Presentation ... - Mycoplasma, EBV ... younger pts) Differential ... Hemoglobinuria (PCH
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess - Clinical ... Clindamycin in case of PCN ... Abscess Differential ... • Vasculitis (e.g
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Enteroviruses (e.g ... virus • CMV • EBV ... • Common clinical ... #Infections #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Paraneoplastic effects of SCC ... life-threatening Differential ... Miller Fischer and PCB ... Serologic and EMG ... precipitated by: Drugs, infection
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
Clostridioides Difficile Infection ... GrepMed Handbook Clinical ... Acute Diarrhea (>3 BM ... non-toxigenic • Stool PCR ... Bezlotoxumab 10 mg/kg
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
antibody, Anti-GBM ... confirm DAH, r/o infection ... recent DAN) • EMG ... sparing of the lung ... diagnosis #management #treatment