23 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... - Differential ... plateletcount), peripheral blood ... #Platelet #Disorders ... #Workup #hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Diagnosis Algorithm ... Thrombocytopenia ... Sequestration Disordered ... Platelet Function ... #Causes #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... inflammation • Thrombocytopenia ... #Diagnosis #hematology ... #nonpalpable #dermatology
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
inherited bleeding disorder ... Laboratory • Normal platelet ... count (mild thrombocytopenia ... factor VIII) Treatment ... #Diagnosis #Hematology
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
Platelet disorders ... Gplb receptor • Thrombcytopenia ... Von Willebrand Disease ... #disorders #hematology ... #diagnosis #Aggregometry
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
• Rheumatic disorders ... • Celiac disease ... effect following treatment ... following EtOH induced thrombocytopenia ... #Causes #Hematology
Platelet Disorders - Differential Diagnosis Framework

Qualitative Defects:
 • Adhesion
 • Aggregation
 • Secretion

Quantitative Defects:
 • Production:
Platelet Disorders ... - Differential ... #Disorders #Differential ... #Diagnosis #hematology ... #thrombocytopenia
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... : Acute blood loss ... Rebound effect from treatment ... Vasculitides, IBD, Celiac disease ... #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... Thrombotic idiopathic thrombocytopenia ... #key #diagnosis ... #differential # ... hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... with or without platelet ... Schistocytes, thrombocytopenia ... Consider RBC membrane disorder ... #workup #hematology