19 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential ... of anemia and hemolysis ... Abnormal peripheral smear ... #Anemias #Differential
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... - Differential ... Peripheral blood smear ... Recent travel/Fevers ... #Anemia #Differential
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Antibody Autoimmune Hemolytic ... reticulocytes • Hemolysis ... C3d • Blood smear ... : Differential → ... Antibody #Autoimmune #Hemolytic
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... bartonella (oroya fever ... ARUPConsult @ARUPLabs #Hemolytic ... #Anemia #Differential
Plasmodium vivax on peripheral smear
A college student presents w/ headache, fever, chills. Returned 2 days ago
on peripheral smear ... presents w/ headache, fever ... size amoeboid trophozoite ... malaria #peripheral #smear
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Pancytopenia - Differential ... acid, peripheral smear ... studies, PT/aPTT Differential ... ↑ Destruction (hemolysis ... #Pancytopenia #Differential
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Peripheral Blood Smear ... Urobilinogen #Hemolysis ... #Differential #
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Differential Diagnosis ... Continuous Fever ... with profound hemolysis ... #Patterns #Differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... • Compensated hemolysis ... IgM) • Blood smear ... younger pts) Differential ... Symptoms: High fevers
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Oroya Fever Hematologic ... Inflammation: high fever ... lysis → severe hemolytic ... phase: Peripheral smear ... gabrieltalledop #Oroya #Fever