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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
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Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
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Amusement Park Rides and Cardiac Devices: Heart Dropper or Device Stopper?

Mia Kassab1, Alexander Johnson2, Dania Kallas1

  • 1BC Children's Hospital, Vancouver, Canada.

Journal of Cardiovascular Electrophysiology
|September 1, 2025
PubMed
Summary
This summary is machine-generated.

Magnetic field exposure on amusement park rides is minimal and poses no significant risk to patients with cardiac implantable electronic devices (CIEDs). Healthcare providers often lack standardized guidelines for advising patients with CIEDs on ride safety.

Keywords:
CIEDcardiologymagnetic fieldspatient safetypediatricsroller coaster

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Area of Science:

  • Biomedical Engineering
  • Cardiology
  • Electrophysiology

Background:

  • Cardiac implantable electronic devices (CIEDs) are susceptible to magnetic field interference, potentially causing malfunction.
  • Amusement park rides, particularly those using linear induction motors (LIMs), generate magnetic fields whose impact on CIEDs is not well understood.
  • Assessing electromagnetic interference (EMI) risk from amusement park rides is crucial for patient safety.

Purpose of the Study:

  • To measure magnetic field strengths on various amusement park rides.
  • To evaluate the potential for electromagnetic interference (EMI) with cardiac implantable electronic devices (CIEDs).
  • To survey healthcare providers regarding their recommendations for CIED patients on amusement park rides.

Main Methods:

  • Gaussmeters were used to measure magnetic field strength at pediatric CIED sites (shoulder and abdomen levels) on 15 amusement park rides.
  • Magnetic field data were collected over multiple ride cycles, comparing rides with and without health advisory messages (HAMs) and those using linear induction motors (LIMs).
  • A survey assessed current healthcare provider practices and reliance on published resources for amusement park ride recommendations.

Main Results:

  • All measured magnetic field strengths were below the threshold known to cause CIED malfunction (>10,000 mG).
  • Rides with health advisory messages (HAMs) and those using linear induction motors (LIMs) exhibited higher magnetic field strengths, though still clinically insignificant.
  • A significant portion of healthcare providers (58.3%) advised patients to consider HAMs, despite limited reliance on published guidelines.

Conclusions:

  • Magnetic field exposure from amusement park rides presents a clinically insignificant risk of electromagnetic interference (EMI) for patients with CIEDs.
  • Current healthcare provider recommendations for CIED patients regarding amusement park rides may not be consistently evidence-based.
  • Standardized guidelines and further validation are necessary to provide accurate information to patients with CIEDs regarding amusement park ride safety.