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Related Experiment Videos

The effects of mobile phones on pacemaker function.

Izzet Tandogan1, Ahmet Temizhan, Ertan Yetkin

  • 1University of Cumhuriyet, Faculty of Medicine, Department of Cardiology, Sivas, Turkey. izzet@tandogan.tr.tc

International Journal of Cardiology
|August 3, 2005
PubMed
Summary

Mobile phones can interfere with pacemaker function, especially older unipolar models. Adverse effects were observed in 5.5% of patients, but pacemaker function returned to normal upon removal of the mobile device.

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Area of Science:

  • Biomedical Engineering
  • Cardiology
  • Electromagnetics

Background:

  • Electromagnetic fields from various devices can disrupt pacemaker operation.
  • Understanding mobile phone interference is crucial for patient safety.

Purpose of the Study:

  • To assess the impact of mobile phones on permanent pacemaker function.
  • To identify conditions that increase the risk of adverse pacemaker events.

Main Methods:

  • Evaluated 679 patients with permanent pacemakers under varying conditions.
  • Tested pacemakers with unipolar and bipolar lead polarities and sensitivities.
  • Positioned mobile phones at different distances (50cm to contact) from the pacemaker pocket.

Main Results:

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  • 5.5% of patients experienced adverse pacemaker events, including mode conversion and inhibition.
  • Unipolar pacemakers showed a significantly higher adverse event rate (4.12%) compared to bipolar (1.40%).
  • Older pacemakers were more susceptible to adverse effects.

Conclusions:

  • Mobile phones can adversely affect pacemaker function under specific circumstances.
  • Interference typically results in temporary pacemaker inhibition or mode changes.
  • Pacemaker function normalizes once mobile phones are removed.