26 results
Laboratory Testing in Hemolytic Anemia

Intravascular vs Extravascular Hemolysis
Reticulocytes
Unconjugated bilirubin
LDH
Peripheral smear
Haptoglobin
Urine hemosiderin
Urine hemoglobin
Carboxyhemoglobin

#Hemolytic #Anemia #Laboratory #Testing #workup
Laboratory Testing ... in Hemolytic Anemia ... #Anemia #Laboratory ... #Testing #workup ... #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... test #cold # ... agglutinin #disease ... #hemolytic #anemia ... #hematology #diagnosis
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... #Hemolytic #Anemia ... Differential #Causes #Workup ... #Hematology #Diagnosis ... GrepMed Recommended Text
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... ): SS, SC, SE, Sβ ... Agglutination - Cold agglutinins ... #workup #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... hemoglobinuria) • Cold Agglutinin ... Disease Mixed-type ... #Table #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... . primary cold agglutin ... #differential #diagnosis ... #hematology #anemia
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
in Autoimmune Hemolysis ... ( +/- ) Cold agglutinin ... disease • DAT ... #antiglobulin #test ... #hematology #diagnosis
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... ANEMIA - LEUKOPENIA ... Direct Coombs’ test ... anemia #Diagnosis ... #Rheumatology #
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Diagnosis Framework ... Defects: Sickle cell anemia ... Hypophostphatemia Laboratory ... Tests: - Haptoglobin ... #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... hallmark for the disease ... value is low, tests ... anemia Indirect ... #Workup #Hematology