What is the primary difference between defibrillation and synchronized cardioversion?
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A
Defibrillation delivers a shock at any point in the cardiac cycle, while cardioversion is timed to the R wave
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B
Defibrillation uses lower energy than cardioversion
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C
Cardioversion is used only for ventricular fibrillation
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D
Defibrillation requires sedation while cardioversion does not