Synchronized cardioversion for unstable VT with a pulse is performed at which energy level?

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Multiple Choice

Synchronized cardioversion for unstable VT with a pulse is performed at which energy level?

When treating unstable VT with a pulse, you want to terminate the rhythm with a synchronized shock while minimizing myocardial injury. Modern biphasic defibrillators use an escalating energy approach: start with a moderate energy within the device’s recommended range (120–200 J), then deliver a higher energy shock at 300 J if the first attempt doesn’t work, and proceed to the maximum available energy at 360 J if needed. This stepwise plan increases the chances of conversion while keeping the shock energy as low as possible, and the synchronization ensures the shock hits the heart at the right moment rather than during the vulnerable repolarization phase.

When treating unstable VT with a pulse, you want to terminate the rhythm with a synchronized shock while minimizing myocardial injury. Modern biphasic defibrillators use an escalating energy approach: start with a moderate energy within the device’s recommended range (120–200 J), then deliver a higher energy shock at 300 J if the first attempt doesn’t work, and proceed to the maximum available energy at 360 J if needed. This stepwise plan increases the chances of conversion while keeping the shock energy as low as possible, and the synchronization ensures the shock hits the heart at the right moment rather than during the vulnerable repolarization phase.

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