The nurse is caring for a patient who converted to ventricular fibrillation (VF) and was defibrillated at 200 joules, 300 joules, and 360 joules respectively. The patient remains in VF
According to national standards, the nurse is aware that the following medication should be used:
A) Epinephrine 1 mg IV push
B) Lidocaine 100 mg IV push
C) Amiodarone 300 mg IV push
D) Sodium bicarbonate 1 amp IV push
Ans: A
Feedback: Epinephrine is administered after three consecutive defibrillations to make it easier to convert the dysrhythmia to a normal sinus rhythm with defibrillation. Epinephrine may also increase cerebral and coronary artery blood flow. Antiarrythmic medications such as amiodarone and lidocaine are given if ventricular dysrhythmia persists.
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