In the CURRENT ICD, the shock waveform can be programmed differently in each active zone.

In the CURRENT ICD, the shock waveform can be programmed differently in each active zone.

• A. True
• B. False
• C. Not Applicable
• D. Depends on device model

Answer: (A)

Contemporary ICDs allow per-zone customization of how a shock is delivered. Each active therapy zone can be assigned its own shock waveform settings, including the waveform shape (different biphasic configurations), polarity, and energy. This per-zone programmability lets clinicians tailor defibrillation to the specific rhythm and myocardial substrate detected in that zone, potentially improving termination success while reducing myocardial injury and post-shock dysfunction. In current devices, you can configure different waveforms for different zones (for example, VF versus VT zones), which is why this statement is true.

Contemporary ICDs allow per-zone customization of how a shock is delivered. Each active therapy zone can be assigned its own shock waveform settings, including the waveform shape (different biphasic configurations), polarity, and energy. This per-zone programmability lets clinicians tailor defibrillation to the specific rhythm and myocardial substrate detected in that zone, potentially improving termination success while reducing myocardial injury and post-shock dysfunction. In current devices, you can configure different waveforms for different zones (for example, VF versus VT zones), which is why this statement is true.