[Modulation of cardiac rhythms in humans exposed to extremely weak alternating magnetic fields].
The influence of extremely weak alternating magnetic fields (EW AMF) with amplitudes of < or = 2 microT on the heart rate variability in humans has been studied. The volunteers were placed in a large- volume square coils system (2x2x2 m), which provided the exposure of the whole body to extremely weak alternating magnetic fields homogeneous in amplitude. It was shown that the exposure of volunteers to different types of extremely weak alternating magnetic fields can both increase and decrease the magnitude of stress. In particular, the field tuned to the nuclear spins of hydrogen atoms (amplitude 1.6 microT, frequency 76 Hz) induces a decrease in the Baevsky's stress index, while the field tuned to the magnetic moments formed by the orbiting electrons in some atoms (amplitude 0.192 microT, frequency 3000 Hz) increases the stress index. The results obtained provide a possible explanation for the mechanism of adverse effects of some particular types of technogenic and natural extremely weak alternating magnetic fields on the human cardiovascular system.
Lednev
V V
VV
Belova
N A
NA
Ermakov
A M
AM
Akimov
E B
EB
Tonevitskiĭ
A G
AG
D000328:Adult; D005260:Female; D006339:Heart Rate / Q000528:radiation effects*; D006801:Humans; D008280:Magnetics; D008297:Male; D014916:Whole-Body Irradiation; D055815:Young Adult