15 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... • Alloimmune ... • PCH ... Prosthetic heart valves ... Algorithm #Causes #Hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Differential Diagnosis ... Cold Agglutinin Disease ... #AIHA #Differential ... Diagnosis #Table #hematology
Autoimmune Hemolytic Anemia (AIHA) Treatment
Warm AIHA:
1) Steroids - 1-2 mg/kg prednisone daily
   • Until
Autoimmune Hemolytic ... esp if severe disease ... #Autoimmune #Hemolytic ... Treatment #management ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(AIHA) "Warm" ( ... idiopathic) - Autoimmune ... (AIHA)"Cold" (usually ... Extravascular #Causes #differential ... #diagnosis #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... HELLP - Grafts, Valves ... Membrane): - Autoimmune ... : Warm AIHA, Cold ... Drug-associated, PCH
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
• Ischemia • Autoimmune ... • Drugs • AIH ... • Cholestatic disease ... • Others #LFTs ... #Hepatology #LiverEnzymes
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
women • 15% of AIHA ... Viral infection, autoimmune ... CLL (older) • Autoimmune ... pts) Differential ... #hematology #diagnosis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... • Autoimmune: ... Autoimmune hepatitis ... injury #hepatitis #differential ... diagnosis #algorithm #hepatology
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Chronic - ongoing ↑ LFTs ... symptoms of liver disease ... Calculate R-Value ... Idiosyncratic #differential ... gastroenterology #hepatology
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
Autoimmune Hepatitis ... from subclinical disease ... been reported (eg AIH-PBC ... #Diagnosis #Management ... #Hepatology