A patient with supraventricular tachycardia (SVT) receives a 6 mg dose of adenosine after failure on Verapamil.<br/><br/>What EKG change does the cardiovascular nurse anticipate may occur with this medication?
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✓ Correct answer: C. Transient AsystoleThe correct answer is A) Transient Asystole.<br/><br/>Transient Asystole is expected with the administration of Adenosine. Transient asystole is safe and effective in SVT when administered at an average of 0.3-0.4 mg/kg.<br/><br/><strong>Choice B is incorrect. </strong>Adenosine does not produce an atrial fibrillation response.<br/><br/><strong>Choice C is incorrect. </strong>Adenosine does not produce an atrial flutter response.<br/><br/><strong>Choice D is incorrect. </strong>Torsades de Pointes is a specific type of ventricular tachycardia. People who have a long QT interval, certain medications, and genetic abnormalities can cause Torsades de Pointes. Magnesium, beta blockers, and Isoproterenol are used to treat this cardiac arrhythmia.
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