121 results
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 ... Defects #comparison #table
Idiopathic Thrombocytopenic Purpura 
Clinical:
 • Gingival 
 • Menorrhagia 
 • GI bleeding 
 • Intracranial
Menorrhagia • GI bleeding ... children) • Platelets ... only for severe bleeding ... extremely low 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
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Differential Diagnosis Platelet ... Differential #Diagnosis #causes ... #Platelets #hematology
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 ... Surgery with active bleeding ... 100 (rarely) Stable ... #Management #Platelets
Bleeding and Bruising - Differential Diagnosis Algorithm
 • Vascular System Defect - Congenital vs Acquired
 •
Bleeding and Bruising ... Differential Diagnosis Algorithm ... vs Acquired • Platelet ... vs Acquired #Bleeding ... Differential #Diagnosis #Algorithm
Causes of Acquired Platelet Dysfunction

#Acquired #Platelet #Dysfunction #Causes #differential #Diagnosis #hematology
Causes of Acquired ... Platelet Dysfunction ... #Acquired #Platelet ... #Dysfunction #Causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... History: - Prior platelet ... - History of bleeding ... epistaxis, gingival bleeding ... Thrombocytopenia #Platelet
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... Sequestration Disordered Platelet ... Coagulation #Bleeding ... #Causes #Hematology