30 results
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Diagnosis Algorithm ... with or without platelet ... Consider RBC membrane disorder ... #testing
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
Platelet disorders ... Von Willebrand Disease ... considered first-line testing ... #disorders #hematology ... #diagnosis #Aggregometry
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... cold agglutin disease ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

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

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... DIC/TTP/HUS - Hemolytic ... #Diagnosis #hematology ... #nonpalpable #dermatology
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
without platelet ... MYH9-Related Disorder ... Defects #comparison #table ... #differential # ... diagnosis #hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Diagnosis Algorithm ... Sequestration Disordered ... Platelet Function ... #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Disorders - Differential ... Diagnosis and Workup ... smear, HIV/HCV testing ... #Disorders #Differential ... #Workup #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
lymphoproliferative disorder ... Diagnosis: • hemolytic ... Positive Coombs testing ... younger pts) Differential ... #hematology #diagnosis
Nail diseases and disorders.
 - Spoon Nails (Koilonychia)
 - Pitting of Nails
 - Beau's Lines
 -
Nail diseases and ... Leukonychia (white spots ... ) #Diagnosis # ... #Differential # ... #Leukonychia #Table