6 results
diagnosis differential abnormal coagulation pt arterial bleeding bruising dic embolism evaluation hemostasis intravascular management mixing pathophysiology ptt studies thrombosis treatment
How to Evaluate an Abnormal APTT Step 1: Is the PT or APTT Artifactually Prolonged? Step 2: Is
Artifactually Prolonged ... K Antagonists, Heparin ... to identify the cause ... of Prolonged APTT ... #hematology #evaluation
Causes of Abnormal PT and/or aPTT Prolonged Prothrombin Time (PT) 1. Acquired deficiency of FVII
Causes of Abnormal ... e.g. heparin ... Disseminated intravascular ... #Prolonged #Causes ... #differential #hematology
Differential Diagnosis for a Prolonged PT and aPTT If the PT and the aPTT are both prolonged,
(e.g. heparin contamination ... thrombin inhibitors, heparin ... hemorrhage • Disseminated ... #Prolonged #Causes ... #differential #hematology
Disseminated Intravascular Coagulation (DIC) Overview Increased Clotting and Consumption of Clotting Factors Findings: • Bleeding • Recent history
Disseminated Intravascular ... Thrombocytopenia • Prolonged ... Treat primary cause ... INR < 2.3 - APTT ... treatment #management #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework VENOUS THROMBOSIS • Acquired Risk Factors: - >48 hours
Hyperhomocysteinemia - Heparin-induced ... thrombocytopenia - Disseminated ... coagulation and other causes ... - COVID-19 - PNH ... pathophysiology #hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework == Quantitative or Qualitative defect in
Acquired: • Heparin ... the PT remains prolonged ... liver failure, disseminated ... discern these causes ... Differential #Diagnosis #Hematology
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