Isoptin (Verapamil) Medication Quiz
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Questions and Answers

What is the primary indication for the use of Isoptin (Verapamil) as described in the text?

  • Controlling ventricular response in atrial fibrillation/flutter or atrial tachycardia (correct)
  • Treating congestive heart failure
  • Treating wide complex tachycardia of unknown type
  • Slowing conduction through the atrioventricular (AV) node in Wolff-Parkinson-White syndrome

    • What is the recommended adult dosing regimen for Isoptin (Verapamil) administration as described in the text?

  • 2.5 - 5 mg IV push over 2-3 minutes, repeat every 15-30 minutes up to a maximum of 20 mg (correct)
  • 10 - 20 mg IV push over 2-3 minutes, repeat every 15-30 minutes up to a maximum of 40 mg
  • 5 - 10 mg IV push over 2-3 minutes, repeat every 5-10 minutes up to a maximum of 30 mg
  • No pediatric dosage available, only adult dosing is provided

    • What is the primary mechanism of action of Isoptin (Verapamil) as described in the text?

  • Increasing contractility of the left ventricle to improve cardiac output
  • Blocking the slow calcium channels which affect the SA/AV node, decreasing atrial automaticity (correct)
  • Increasing heart rate to improve cardiac output in patients with sick sinus syndrome
  • Increasing conduction through the accessory pathway in Wolff-Parkinson-White syndrome

    • What is a contraindication or caution for the use of Isoptin (Verapamil)?

    <p>Wolff-Parkinson-White or Lown-Ganong-Levine syndromes</p> Signup and view all the answers

    What is a potential adverse reaction associated with the use of Isoptin (Verapamil) according to the text?

    <p>Congestive heart failure</p> Signup and view all the answers

    Which of the following is NOT a contraindication or caution for the use of Isoptin (Verapamil)?

    <p>Atrial fibrillation</p> Signup and view all the answers

    What is the maximum recommended adult dosage of Isoptin (Verapamil) as described in the text?

    <p>20 mg</p> Signup and view all the answers

    Which of the following statements is TRUE regarding the mechanism of action of Isoptin (Verapamil)?

    <p>It slows conduction through the AV node pathway.</p> Signup and view all the answers

    Which of the following is NOT a potential adverse reaction associated with the use of Isoptin (Verapamil)?

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

    Which of the following conditions may be exacerbated by the use of Isoptin (Verapamil)?

    <p>Congestive heart failure in patients with severe left ventricular dysfunction</p> Signup and view all the answers

    What is the primary mechanism of action of Isoptin (Verapamil) as a calcium channel blocker?

    <p>It blocks the slow calcium channels in the SA and AV nodes, decreasing conduction and automaticity.</p> Signup and view all the answers

    Which of the following is a potential adverse reaction associated with the use of Isoptin (Verapamil)?

    <p>Severe hypotension and bradycardia.</p> Signup and view all the answers

    Which condition may be exacerbated by the use of Isoptin (Verapamil)?

    <p>Severe left ventricular dysfunction.</p> Signup and view all the answers

    What is the recommended adult dosing regimen for Isoptin (Verapamil) administration?

    <p>2.5-5 mg IV push over 2-3 minutes, repeat every 15-30 minutes up to a maximum of 20 mg.</p> Signup and view all the answers

    Which of the following is a contraindication or caution for the use of Isoptin (Verapamil)?

    <p>Sick sinus syndrome without a pacemaker.</p> Signup and view all the answers

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