Key result
Static magnetic fields induce bradycardia and loss of sinus arrhythmia in ~80% of anesthetized rats.
Why the study?
The effects of static magnetic field on rat brain structures controlling autonomic functions such as heart rate and rhythm were not well characterized.
Does static magnetic field application alter heart rate and rhythmicity in anesthetized rats?
Does static magnetic field application alter heart rate and rhythmicity in anesthetized rats?
Static magnetic fields applied to the brain can induce bradycardia and alter respiratory sinus arrhythmia in a rat model.
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SMF altered heart rate and rhythm in most anesthetized rats; leaves open translation to conscious models or humans.
Veliks et al. (2004) studied this question. Static magnetic field (SMF) vs. Baseline (before SMF application) was evaluated on Changes in heart rate and heart rhythmicity. A 100 mT static magnetic field applied for 15 minutes evoked changes in heart rate and rhythm, predominantly bradycardia and loss of respiratory sinus arrhythmia, in 80% of anesthetized rats.
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