12 results
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Differential Diagnosis ... and Evaluation ... symptoms (HA, nausea ... #EM #IM #Nephro ... #Algorithm #Ddxof
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
PCR 50% sensitive ... granulomatosis: • EBV-associated ... Sarcoidosis • Neuro ... Lesions #Brain #differential ... #diagnosis #causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... - Bone marrow evaluation ... When do you do a BM ... #Diagnosis #Causes ... #Workup #hematology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... Demyelinating disease caused ... effect/Edema • EBV ... #Infections #differential
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Diagnosis Algorithm ... Vascular Causes ... HBV, HCV, HEV, EBV ... #hepatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... an underlying cause ... Too many cells in ... - Some people put ... #workup #hematology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... antibody, Anti-GBM ... usually low in anti-GBM ... recent DAN) • EMG/NCS ... Goodpasture's cause
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome (CAS ... - Mycoplasma, EBV ... younger pts) Differential ... sensitize red blood cells ... hemolytic #anemia #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• History of EBV ... Hodgkin Lymphoma Workup ... lymph node biopsy (diagnostic ... Immunohistochemical studies (to differentiate ... classification #hematology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... first step in evaluation ... acute HIV, HBV, EBV ... Gap #ProteinGap #differential ... #diagnosis #hematology