What does a combined resynchronization therapy and defibrillator device provide?

What does a combined resynchronization therapy and defibrillator device provide?

• A. Pacing of both ventricles
• B. Shock delivery only
• C. Pacing of both ventricles and shock delivery
• D. No device

Answer: (C)

This item tests what a combined resynchronization therapy and defibrillator device does. It provides both functions: pacing both ventricles to synchronize their contractions (biventricular pacing) and delivering a high-energy shock if a life-threatening ventricular arrhythmia is detected. The dual capability means the device improves heart coordination in heart failure while also protecting against sudden death from arrhythmias. Pacing alone would miss the defibrillation protection, and shock delivery alone would miss the synchronization benefit; having neither would provide none.

This item tests what a combined resynchronization therapy and defibrillator device does. It provides both functions: pacing both ventricles to synchronize their contractions (biventricular pacing) and delivering a high-energy shock if a life-threatening ventricular arrhythmia is detected. The dual capability means the device improves heart coordination in heart failure while also protecting against sudden death from arrhythmias. Pacing alone would miss the defibrillation protection, and shock delivery alone would miss the synchronization benefit; having neither would provide none.