1085 results
Formation of a Hemostatic Platelet Plug

#Hemostatic #Platelet #Plug #Formation #Pathophysiology #Hematology
of a Hemostatic Platelet ... #Hemostatic #Platelet ... Plug #Formation #Pathophysiology
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
Inhibitors of Platelet Aggregation

#Antiplatelet #Inhibitors #Pharmacolgy #Pathophysiology #MechanismOfAction
Inhibitors of Platelet ... #Pharmacolgy #Pathophysiology
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
Idiopathic Thrombocytopenic Purpura 
Clinical:
 • Gingival 
 • Menorrhagia 
 • GI bleeding 
 • Intracranial
children) • Platelets ... extremely low platelet
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Differential Diagnosis Platelet ... Diagnosis #causes #Platelets
Bleeding and Bruising - Differential Diagnosis Algorithm
 • Vascular System Defect - Congenital vs Acquired
 •
vs Acquired • Platelet ... Diagnosis #Algorithm #pathophysiology
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
Thromboelastography (TEG) Based Management
 - If R time prolonged -> FFP 
 - If MA low
cryoprecipitate - If platelets ... < 50 -> platelet