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Triple-site ventricular pacing in a biventricular pacing system
B M van Gelder1, F A Bracke, A Pilmeyer
1Dept. of Cardiology, Catharina Hospital, Michelangelolaan 2, 5623 EJ Eindhoven, The Netherlands.
Pacing and Clinical Electrophysiology : PACE
|July 31, 2001
Summary
This case report details successful biventricular pacing system implantation for heart failure. Analysis revealed distinct QRS complex morphologies based on right ventricular, biventricular, and anodal stimulation.
Area of Science:
- Cardiology
- Biomedical Engineering
Background:
- Heart failure management often involves cardiac resynchronization therapy (CRT).
- Biventricular pacing aims to improve ventricular synchrony and cardiac output.
Observation:
- A patient with heart failure underwent successful biventricular pacing system implantation.
- Electrocardiographic (ECG) monitoring during system control revealed distinct QRS complex morphologies.
Findings:
- Three unique QRS complex morphologies were identified.
- These morphologies correlated with different pacing configurations: right ventricular stimulation, biventricular stimulation, and biventricular pacing with additional right ventricular anodal stimulation.
Implications:
- Understanding these distinct morphologies is crucial for accurate interpretation of pacing system function.
- This case highlights the importance of comprehensive system control and analysis in optimizing CRT outcomes.
- The findings contribute to the knowledge base for troubleshooting and programming complex pacing systems.