27 results
Idiopathic Thrombocytopenic Purpura 
Clinical:
 • Gingival 
 • Menorrhagia 
 • GI bleeding 
 • Intracranial
Purpura Clinical ... children) • Platelets ... extremely low platelet ... #Purpura #Thrombocytopenia ... Diagnosis #Overview #Hematology
Indications for Transfusion
Packed RBCs
 • Hgb <7 g/dL or hematocrit <21% in a patient with uncompromised
hemoglobinopathy Platelets ... Prophylactically for platelet ... not transfuse platelets ... Platelet transfusions ... Management #RBCs #Platelets
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
, Large platelets ... without platelet ... MYH9-Related Disorder ... comparison #table #differential ... #diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... RBC's secondary to platelet ... • Platelet defects ... : Platelet Defects ... #Differential #
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 ... #hemepath #differential
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Diagnosis Algorithm Thrombocytopenia ... Sequestration Disordered ... Platelet Function
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
- Differential ... collagen vascular disorders ... Primary hemostasis: Thrombocytopenia ... , Platelet dysfunction ... palpable #Causes #Differential
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
in Children Platelet ... - Increased platelet ... Hypersplenism - Impaired platelet ... Drug-induced Platelet ... count normal - Platelet
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... - Differential ... History: - Prior platelet ... - History of bleeding ... #Platelet #Disorders
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
Von Willebrand Disease ... disorder Clinical ... Laboratory • Normal platelet ... count (mild thrombocytopenia ... #Diagnosis #Hematology