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diagnosis hematology coagulation differential aptt causes clinical clots echocardiogram intransit mcconnells pocus prolonged ptt sign anticoagulation apixaban bleeding bruising cascade
How to Evaluate an Abnormal APTT Step 1: Is the PT or APTT Artifactually Prolonged? Step 2: Is
to Evaluate an Abnormal ... Step 1: Is the PT ... Patient Receiving Anticoagulants ... Heparin, or Direct Thrombin ... Prolonging the PT
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework == Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... PT/NORMAL PTT: ... PT/ABNORMAL PTT ... warfarin, direct thrombin
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
at the site of injury ... FVa to generate thrombin ... Thrombin, then primes ... #clot #PT #PTT ... anticoagulation #anticoagulant
This 24M presented with acute onset CP/SOB, hypoxia, HR 150s. What's the diagnosis? Treatment options? Hint:
Thrombus in transit ... Pt had extensive ... 3 d later with normal ... Echocardiogram #A4C ... PulmonaryEmbolism #Thrombus
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 Causes of Abnormal PT and/or aPTT Prolonged Prothrombin Time (PT) 1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT ... heparin - Other anticoagulants ... drugs e.g. direct thrombin ... Jcortesizaguirr #Abnormal
Liver Chemistries - Interpretation of LFTs R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP) • R >
AST/ALT > ALP: Typical ... ALP > AST/ALT: typical ... - If both are normal ... Coagulation factors: PT ... of ALP • Near normal
Cool echo - RV strain, McConnell sign, and CLOT IN TRANSIT!! BP is normal and pt
BP is normal and ... pt not in distress ... Echocardiogram #A4C ... Pulmonary #Embolism #Thrombus
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 Disseminated Intravascular Coagulation (DIC) Overview Increased Clotting and Consumption of Clotting Factors Findings: • Bleeding • Recent history
• Prolonged PT ... • Increased thrombin ... Fibrinogen: ↓ • PT ... Reduction of pro/anticoagulants ... - APTT < 1.5 x normal
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