Antidysrhythmic medication quiz
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Questions and Answers

What is the primary action of Adenosine on the AV node?

  • No effect on electrical conduction
  • Decrease electrical conduction (correct)
  • Increase electrical conduction
  • Cause negative inotropic effects

    • What is the main effect of Adenosine on the SA node and vagal nerve terminals?

  • Cause irregular heart rate
  • Decrease heart rate (correct)
  • Increase heart rate
  • No effect on heart rate

    • In which condition is the use of this antidysrhythmic medication contraindicated?

  • Atrial fibrillation
  • Hypersensitivity (correct)
  • Bradycardia
  • Supraventricular tachycardia

    • What is the recommended dose and route for administering this antidysrhythmic medication to adults?

    <p>6 mg rapid IV/IO push followed by saline flush</p> Signup and view all the answers

    Match the following side effects with the antidysrhythmic medication Adenosine:

    <p>Dizziness = Side Effect Headache = Side Effect Hypotension = Side Effect Nausea/vomiting = Side Effect</p> Signup and view all the answers

    Match the following contraindications with the use of Adenosine:

    <p>Bradycardia = Contraindication 2nd or 3rd degree heart blocks = Contraindication A-Fib = Contraindication WPW with A-Fib/flutter = Contraindication</p> Signup and view all the answers

    Match the following indications with the use of Adenosine:

    <p>Supraventricular tachycardia (SVT/PSVT) = Indication</p> Signup and view all the answers

    Match the following onset/duration information with the use of Adenosine:

    <p>Onset: Immediate = Onset/Duration Duration/half-life: 10 seconds = Onset/Duration</p> Signup and view all the answers

    Match the following antidysrhythmic medications with their primary action:

    <p>Adenosine = Decreases electrical conduction through the AV node without causing negative inotropic effects Amiodarone = Prolongs the action potential and refractory period in myocardial tissue</p> Signup and view all the answers

    Match the following antidysrhythmic medications with their contraindications:

    <p>Adenosine = A-Fib, A-Flutter, V-Tach, WPW with A-Fib/flutter Amiodarone = Hypersensitivity, cardiogenic shock, severe sinus-node dysfunction, 2nd or 3rd degree AV block</p> Signup and view all the answers

    Match the following antidysrhythmic medications with their onset/duration information:

    <p>Adenosine = Onset: Immediate Duration: 10 seconds Amiodarone = Onset: Variable Duration: Long (weeks to months)</p> Signup and view all the answers

    Match the following antidysrhythmic medications with their side effects:

    <p>Adenosine = Dizziness, headache, shortness of breath, hypotension Amiodarone = Pulmonary toxicity, hepatotoxicity, thyroid dysfunction</p> Signup and view all the answers

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