Cardio Lecture 4
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Questions and Answers

Which of the following medications is a direct, selective Factor Xa inhibitor?

  • Rivaroxaban (correct)
  • Apixaban
  • Warfarin
  • Dabigatran
  • What is the half-life of Factor IX, a vitamin K-dependent protein?

  • 36 hours
  • 24 hours (correct)
  • 6 hours
  • 60 hours
  • Which of the following is NOT a consideration for warfarin dosing?

  • Weight
  • Age
  • Ethnic background
  • Diet (correct)
  • What is the initial dosing range for warfarin in healthy outpatients?

    <p>5 mg</p> Signup and view all the answers

    Which of the following is a primary objective of this presentation?

    <p>Understanding the various indications for anticoagulation</p> Signup and view all the answers

    What is the purpose of the case discussion in this presentation?

    <p>To apply the knowledge gained from the presentation to a real-life scenario</p> Signup and view all the answers

    Which of the following is a dosing consideration for direct acting oral anticoagulants (DOACs)?

    <p>General dosing considerations for dabigatran, rivaroxaban, and apixaban</p> Signup and view all the answers

    Which type of heart valve requires lifelong warfarin?

    <p>Mechanical valve</p> Signup and view all the answers

    What is the recommended INR range for aortic mechanical valves without risk factors?

    <p>2.0 to 3.0</p> Signup and view all the answers

    Which direct acting oral anticoagulant (DOAC) should never be used for anticoagulation of mechanical heart valves?

    <p>Dabigatran</p> Signup and view all the answers

    What is the approximate half-life of warfarin?

    <p>10-14 days</p> Signup and view all the answers

    Which of the following is a key factor that affects the INR and dosage requirements of warfarin?

    <p>Patient's weight</p> Signup and view all the answers

    What is the recommended dose of rivaroxaban for adult patients during the initial treatment of acute VTE?

    <p>15 mg BID</p> Signup and view all the answers

    Which of the following is NOT a special consideration for DOACs?

    <p>Laboratory monitoring</p> Signup and view all the answers

    What is the recommended dose of apixaban for adult patients during the first 7 days of VTE treatment?

    <p>5 mg BID</p> Signup and view all the answers

    According to the text, what is the recommended dose increase for Warfarin therapy in CASE 2?

    <p>8%</p> Signup and view all the answers

    Based on the information provided, what is the INR range goal for the patient in CASE 2?

    <p>2.0-3.0</p> Signup and view all the answers

    Which of the following drugs can increase the catabolism of clotting factors?

    <p>Levothyroxine</p> Signup and view all the answers

    Which of the following antibiotics may increase the INR?

    <p>Moxifloxacin</p> Signup and view all the answers

    Which of the following is NOT a risk factor for venous thromboembolism (VTE)?

    <p>Minor trauma</p> Signup and view all the answers

    Which of the following is the preferred treatment for venous thromboembolism (VTE)?

    <p>Rivaroxaban or apixaban alone</p> Signup and view all the answers

    Which of the following is a risk factor for stroke in patients with atrial fibrillation/flutter?

    <p>Hypertension</p> Signup and view all the answers

    What is the recommended anticoagulation therapy for stroke prevention in patients with atrial fibrillation/flutter?

    <p>Warfarin (TTR &gt;70% in range 2.0-3.0)</p> Signup and view all the answers

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