11 results
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
hemorrhage • CSF PCR ... Toxoplasma gondii PCR ... • JC-virus PCR ... effect/Edema • EBV ... Enhancement • PCR
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... PCR 50% sensitive ... granulomatosis: • EBV-associated ... differential #diagnosis #causes ... #radiology #neurology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Algorithm Vascular Causes ... EBV, HSV, CMV, ... Celiac disease • Autoimmune ... : Autoimmune hepatitis ... rises later - Half-life
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Donath-Landsteiner Antibodies[PCH ... Viral infection, autoimmune ... - Mycoplasma, EBV ... , HIV, rubella legionella ... Hemoglobinuria (PCH
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
OnePager Summary Autoimmune ... antibody, Anti-GBM ... usually low in anti-GBM ... recent DAN) • EMG ... diagnosis #management #treatment
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
disorder (Cardiac, pulmonary ... etc) • CNS -> ... necrotizing myopathy • Autoimmune ... parainfluenza, Coxsackie, HIV ... , CMV, EBV - Bacterial
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Enteroviruses (e.g ... : HSV 1): • Herpes ... virus • CMV • EBV ... differential #diagnosis #neurology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... Antibiotics (Bactrim, PCN ... only if no clear cause ... Bicarb<22) - avoid NS ... #potassium #nephrology
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
Acute Diarrhea (>3 BM ... non-toxigenic • Stool PCR ... Bezlotoxumab 10 mg/kg ... IV x 1 - Adjunct ... IDSA 2021 CDI Treatment
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
inflammatory or autoimmune ... • Pulmonary Symptoms ... CNS involvement: ... Birbeck granules (EM ... TREATMENT OPTIONS