15 results
diagnosis differential management intravascular treatment aptt extravascular hemolysis mds myelodysplastic prolonged pt algorithm aplastic arterial bleeding bruising cirrhosis classification dermatology
Disseminated Intravascular Coagulation (DIC) Overview Increased Clotting and Consumption of Clotting Factors Findings: • Bleeding • Recent history
dysfunction (25%) • Hepatic ... Treat primary cause ... 100mg/dL) - Heparin ... #diagnosis #causes ... treatment #management #hematology
Purpura - Differential Diagnosis Framework Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
vascular disorders, coagulation ... - Hemolytic anemia ... deficiencies - PNH ... Cholesterol emboli • Septic ... Differential #Diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes Intravascular Hemolysis: • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... intravascular coagulation ... hemoglobinuria (PNH ... differential #diagnosis #hematology ... #anemia
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
marrow) -dys- (abnormal ... old, ~10,000 new cases ... cytopenias (usually anemia ... Management #treatment #hematology ... #oncology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm Extravascular - Spleen and RES-mediated hemolysis -
Causes of Extravascular ... Drug-induced AIHA - Abnormal ... • PCH • PNH ... immune-complex hemolytic anemia ... #Hematology
Causes of Abnormal PT and/or aPTT Prolonged Prothrombin Time (PT) 1. Acquired deficiency of FVII
Causes of Abnormal ... e.g. heparin ... Jcortesizaguirr #Abnormal ... #differential #hematology ... #coagulation
Differential Diagnosis for a Prolonged PT and aPTT If the PT and the aPTT are both prolonged,
(e.g. heparin contamination ... thrombin inhibitors, heparin ... amyloidosis #Abnormal ... #differential #hematology ... #coagulation
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework VENOUS THROMBOSIS • Acquired Risk Factors: - >48 hours
Hyperhomocysteinemia - Heparin-induced ... intravascular coagulation ... and other causes ... - COVID-19 - PNH ... pathophysiology #hematology
Aplastic Anemia - Overview Who? • M = F • 3 peaks: 1) Childhood 2) 15-25 years 3) >60 years What? • Aplastic anemia
Aplastic Anemia ... and petechiae Causes ... syndrome (MDS) (normal ... megakaryocytes and a normal ... #oncology #hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework == Quantitative or Qualitative defect in
inhibitor of a coagulation ... Acquired: • Heparin ... intravascular coagulation ... discern these causes ... Differential #Diagnosis #Hematology
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