343 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intravascular Hemolysis ... Microangiopathic hemolytic ... purpura (TTP), Hemolytic ... Transfusion reaction, Paroxysmal
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
in Autoimmune Hemolysis ... DAT Negative Hemolysis ... , C3d ( +/- ) Paroxysmal ... #antiglobulin #test ... DAT #Autoimmune #Hemolysis
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Donath-Landsteiner HA (paroxysmal ... #Autoimmune #Hemolytic
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... haptogbbulin #Hemolysis ... #Hemolytic #Anemia ... GrepMed Recommended Text
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... • Compensated hemolysis ... macroglobulinemia Paroxysmal ... • Diagnostic Test ... Donath-Landsteiner test
Coombs Test - Direct vs Indirect

#Diagnosis #Testing #Coombs #Direct #Indirect #Hemolytic #Anemia
Coombs Test - Direct ... Direct #Indirect #Hemolytic
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Diagnosis for Hemolytic ... incompatibility • Paroxysmal ... udaygulati #Hemolytic
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Differentiating Benign Paroxysmal ... Neuritis-Labyrinthitis BENIGN PAROXYSMAL ... ) • Hallpike test ... • Head impulse test ... • Head impulse test
Hydrophobia on Physical Examination

Seen in the late stages of rabies.  Caused by painful paroxysmal contractions
Caused by painful paroxysmal ... PhysicalExam #clinical #video
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
erythematosus • HLH • Paroxysmal ... Antibody-mediated hemolysis