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Maximal rate response in a permanent pacemaker during chest physiotherapy
1Department of Biological Sciences, University of South Carolina, Coker Life Sciences Center, Columbia 29208.
Heart & Lung : the Journal of Critical Care
|July 11, 1992
Summary
Activity-sensing pacemakers can increase heart rate during chest physiotherapy due to sensing muscle vibrations. This case report highlights potential complications and nursing considerations for rate-responsive pacing devices.
Area of Science:
- Biomedical Engineering
- Cardiology
- Medical Devices
Background:
- Rate-responsive pacing aims to mimic physiologic heart rate variations during activity.
- Activity-sensing pacemakers utilize skeletal muscle vibration to adjust pacing rate.
Observation:
- A case of inappropriate rate increase in an activity-sensing pacemaker was observed.
- The pacemaker malfunction occurred during chest physiotherapy sessions.
Findings:
- The pacemaker incorrectly interpreted skeletal muscle vibrations from physiotherapy as physical activity.
- This led to an unintended increase in the paced heart rate.
Implications:
- Highlights potential for false sensing in rate-responsive pacemakers during specific physical interventions.
- Underscores the need for awareness among clinicians and nurses regarding potential complications.
- Suggests a need for device or protocol adjustments to prevent such occurrences.