121 results
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 ... Defects #comparison #table
Indications for Transfusion
Packed RBCs
 • Hgb <7 g/dL or hematocrit <21% in a patient with uncompromised
hemoglobinopathy Platelets ... • < 30,000 and bleeding ... postoperative bleeding ... < 100,000 and bleeding ... Platelet transfusions
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
Blood Product Components, Contents, Volume and Shelf Life

Whole blood (autologous or directed donations) - RBC and
WBC and platelets ... Hct 60% Platelet ... Hct < .005) Platelet ... pheresis - Platelets ... Hematology #Management #Table
Bleeding and Bruising - Differential Diagnosis Algorithm
 • Vascular System Defect - Congenital vs Acquired
 •
Bleeding and Bruising ... vs Acquired • Platelet ... vs Acquired #Bleeding
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
B-symptoms, bruising/bleeding ... anemia, ↑ MCV, ↑/↓ platelets
Summary of characteristics of Platelet Aggregation Inhibitors

#AntiPlatelet #Inhibitors #Pharmacology #Table #Overview #Interactions #Pharmacology #Cardiology
characteristics of Platelet ... #Pharmacology #Table
Disorders of the Hepatic and Mesenteric Circulation

Platelets in Cirrhosis
Hypercoagulability in Cirrhosis
Bleeding in Cirrhosis
Portal Vein Thrombosis (PVT)
Mesenteric
Circulation Platelets ... in Cirrhosis Bleeding
Mechanisms Driving Increased Thrombosis and Bleeding in Liver Disease
Increased Thrombosis 
Increased Platelet-Vesset Wall Interaction 
 •
Thrombosis and Bleeding ... Thrombosis Increased Platelet-Vesset ... #Thrombosis #Bleeding