14 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... • Cold AIHA ... • Alloimmune ... AIHAPCH ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... (AIHA)"Cold" (usually ... IgM) (e.g. primary ... #hematology #anemia
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Warm Antibody Autoimmune ... 1) DIAGNOSE AIHA ... 2) LOOK FOR a cause ... #diagnosis #management ... #treatment #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
women • 15% of AIHA ... Primary Secondary ... Viral infection, autoimmune ... Diagnosis: • hemolytic ... #anemia #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Diagnosis Framework ... Membrane): - Autoimmune ... : Warm AIHA, Cold ... Drug-associated, PCH ... #hematology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
- Differential Diagnosis ... • Ischemia • Autoimmune ... • Drugs • AIH ... Bile Ducts • PSC ... #Algorithm #Causes
Autoimmune Hepatitis

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

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential Diagnosis ... Algorithm Vascular Causes ... , PBC, PSC, IgG4 ... stone, Malignancy, PBC ... , PSC, Cystic fibrosis
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Coagulopathy) SMZL: • AIHA ... • Coombs (-) hemolytic ... anemia due to cold ... #Differential #Diagnosis ... #Oncology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Cytopenia +++ (Plt ... assessment+++ Primary ... solid cancers • Autoimmune ... Drugs, Unknown cause ... #management #treatment