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?

6 mg rapid IV/IO push followed by saline flush (A) Signup and view all the answers

Match the following side effects with the antidysrhythmic medication Adenosine:

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

Match the following contraindications with the use of Adenosine:

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

Match the following indications with the use of Adenosine:

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

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

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

Match the following antidysrhythmic medications with their primary action:

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

Match the following antidysrhythmic medications with their contraindications:

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 Signup and view all the answers

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

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

Match the following antidysrhythmic medications with their side effects:

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

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