16 results
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Diagnosis • Infection ... Brucellosis, Q fever, EBV ... Diseases (e.g. autoimmune ... Kikuchi disease, Idiopathic ... #Diagnosis #causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Endocarditis, Idiopathic ... Glomerulonephritis #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... CLL, lymphoma, idiopathic ... #differential # ... diagnosis #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... malignancies, autoimmune ... malignancies, idiopathic ... comparison #table #differential ... #diagnosis #dermatology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential ... Viral: HIV, HCV, EBV ... : ITP, HITT - Autoimmune ... #hematology
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Diagnosis Framework ... Kaposi's sarcoma • Rheumatologic ... / Autoimmune: ANCA-Assoc ... Misc / Other: • Idiopathic ... #causes
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... Diagnosis Neonate ... #Neutropenia #differential ... #diagnosis #causes ... #hematology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Idiopathic CD4 Lymphopenia ... W/ LOW CD4 • Autoimmune ... EBV. CMV. ... #hematology #Differential ... #Causes #lymphocytopenia
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Disease (CAD): - Idiopathic ... Viral infection, autoimmune ... - Mycoplasma, EBV ... CLL (older) • Autoimmune ... younger pts) 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 ... : Autoimmune hepatitis