A simulation framework for dual chamber heart rhythm and cardiac pacing

Area of Science:

• Biomedical Engineering
• Computational Cardiology
• Medical Device Simulation

Background:

• Realistic simulation of cardiac electrophysiology is crucial for developing and testing medical devices.
• Existing models may not fully capture the complex interactions between intrinsic heart activity and cardiac pacing.

Purpose of the Study:

• To present an enhanced simulation framework for cardiac electrophysiology and pacemaker function.
• To enable bench testing of advanced pacemaker algorithms under diverse cardiac rhythm conditions.

Main Methods:

• Development of an integrated dual-chamber heart and pacer (IDHP) model.
• Incorporation of realistic atrial and ventricular rhythm generators.
• Integration of industry-standard dual-chamber pacemaker timing control logic.

Main Results:

• The IDHP model successfully simulates ventricular intervals during atrial fibrillation with ventricular pacing.
• The framework accurately models interactions between intrinsic heart activity and extrinsic cardiac pacing.
• Demonstrated the capability to simulate various cardiac rhythms and pacing scenarios.

Conclusions:

• The IDHP model offers a novel and realistic simulation platform for cardiac pacing research.
• This framework facilitates the bench testing of advanced pacemaker algorithms.
• The improved model enhances the development cycle for cardiac rhythm management devices.