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Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Diagnosis Table ... Disease Mixed-type ... #Diagnosis #Table ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Disease 3 Types ... Diagnosis: • hemolytic ... younger pts) Differential ... • Symptoms: High ... #anemia #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... • AIHA: warm, cold ... #classification ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Diagnosis Algorithm ... diverse genotypes): SS ... Agglutination - Cold ... #workup #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC: Hemoglobin SS ... Cell Agglutinate: Cold ... RBC #Morphology #differential ... #diagnosis #hematology ... #microscopy #atlas
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Shock Classification ... and Differential ... Diagnosis SHOCK ... Medications, Spinal Cord ... Diagnosis #Types
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Diagnosis Algorithm ... • Bleeding • Hemolysis ... Chronic Infection) High ... #Anemia #MCV #Classification ... #Causes #Hematology
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
aggregation to high-dose ... • This pattern could ... 1 or Type 3) — ... differentiate vWD ... #diagnosis #Aggregometry
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
nodosum • Immune hemolytic ... -95% of cases) Classification ... - WBC may be high ... Immunohistochemical studies (to differentiate ... #classification
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
leukocytosis, in vitro hemolysis ... Pseudohypoaldosteronism type ... #Hyperkalemia #Differential ... #Diagnosis #High ... #Potassium #Classification