9 results
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
Platelet disorders ... similar aggregation pattern ... agonists • This pattern ... considered first-line testing ... #disorders #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 ... #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... Testing Algorithm ... evaluation or workup ... #Algorithm #Differential ... #diagnosis #hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... and Differential ... Diagnosis Algorithm ... Eating disorders ... #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... with or without platelet ... Consider RBC membrane disorder ... #workup #hematology ... #testing
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... and Differential ... Diagnosis Algorithm ... Eating disorders ... #Hematology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
- Differential ... Diagnosis Algorithm ... lymphadenopathy more diffuse ... involvement, irregular pattern ... pathophysiology #Hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Diagnosis Algorithm ... Thrombocytopenia - Abnormal platelet ... Vasculitis - Collagen disorders ... deficiency Work
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... formed or don’t work ... Workup: • Complete ... blood count with differential ... Syndromes #diagnosis #hematology