Practice Quiz

CCRN Critical Care Nursing

Category - Adult

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A patient with a history of previous myocardial infarction is being monitored on the cardiac care unit when he suddenly goes into ventricular fibrillation. Electrical external defibrillation is attempted by the attending physician however it is unsuccessful. What is the drug of choice for ventricular fibrillation after failed electrical external defibrillation?
  1. lidocaine
  2. amiodarone
  3. epinephrine
  4. atropine
Explanation
Answer: C - The drug of choice in a patient with ventricular fibrillation after failed electrical external defibrillation is epinephrine. According to the American Heart Association algorithm for patients in ventricular fibrillation who have not responded to an electrical external defibrillation, administration of epinephrine 1 mg every 3-5 minutes is the protocol.
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