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Related Experiment Videos

Maximal rate response in a permanent pacemaker during chest physiotherapy.

L S Lamb1, E B Judson

  • 1Department of Biological Sciences, University of South Carolina, Coker Life Sciences Center, Columbia 29208.

Heart & Lung : the Journal of Critical Care
|July 11, 1992
PubMed
Summary
This summary is machine-generated.

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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.

Related Experiment Videos

  • Underscores the need for awareness among clinicians and nurses regarding potential complications.
  • Suggests a need for device or protocol adjustments to prevent such occurrences.