145 results
diagnosis hematology management differential thrombocytopenia pathophysiology algorithm causes table workup comparison treatment criticalcare gastroenterology pharmacology types disorders purpura transfusion antiplatelet
Idiopathic Thrombocytopenic Purpura Clinical: • Gingival • Menorrhagia • GI bleeding • Intracranial
Menorrhagia • GI bleeding ... children) • Platelets ... only for severe bleeding ... extremely low platelet
Inherited Qualitative Platelet Defects Bernard-Soulier Syndrome • Defect of adhesion due to a lack of GP Ib/IX/V
Inherited Qualitative Platelet ... Single isolated platelets ... without platelet ... failure Grey Platelet ... • Absence of platelet
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
Platelet disorders and Aggregometry Glanzmann Thrombasthenia • Defective aggregation to all agonists except ristocetin • Normal platelet,
Platelet disorders ... ristocetin • Normal platelet ... count and platelet ... • Platelet flow ... Usually normal platelet
Thrombocytosis - Differential Diagnosis Platelet Count > 450 Reactive: • Anemia/blood loss (Fe deficiency) • Infection/Sepsis • Non-infectious
Differential Diagnosis Platelet ... Diagnosis #causes #Platelets
A Classification of Coagulation Disorders #Coagulation #Disorders #Classification #Platelet #Classification #Differential #Diagnosis
A Classification ... Coagulation #Disorders #Classification ... #Platelet #Classification
Thromboelastography (TEG) Based Management - If R time prolonged -> FFP - If MA low
cryoprecipitate - If platelets ... < 50 -> platelet
Thromboelastography (TEG) based therapy and Management If r time prolonged -> FFP If MA low -> plts/cryoprecipitate (if
cryoprecipitate If platelets ... < 50 - > platelet
Blood Product Components, Contents, Volume and Shelf Life Whole blood (autologous or directed donations) - RBC and
WBC and platelets ... Hct 60% Platelet ... concentrate - Platelets ... Hct < .005) Platelet ... pheresis - Platelets
Thresholds for Transfusion of Platelets in Adults Major surgery or invasive procedure, no active bleeding - ≤
Transfusion of Platelets ... procedure, no active bleeding ... neurosurgery, no active bleeding ... Surgery with active bleeding ... #Management #Platelets
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