Article

Interference of 16.7-Hz electromagnetic fields on measured electrocardiogram.

Department of Anaesthesiology and Critical Care Medicine, Trauma Hospital Klagenfurt, Waidmannsdorferstrasse 35, Klagenfurt, Austria.
Bioelectromagnetics (impact factor: 1.84). 08/2007; 28(5):402-5. DOI:10.1002/bem.20319 pp.402-5
Source: PubMed

ABSTRACT The extent of electromagnetic interference (EMI) from 16.7-Hz alternate current power lines in the human surface electrocardiogram (ECG) was evaluated. Results showed a direct linear correlation between mean EMI and magnetic induction of 5.8-21 microT on a railroad platform (electric field: 270 V/m). EMI inside a railroad car (10 microT, 0 V/m) was comparable to the electromagnetic field at the platform. Inside a voltage transformer substation (0 microT, 2000 V/m) EMI occurred only when the ECG device was closer to the power line than the test person. Magnetic induction caused 16.7-Hz EMI to a degree that proper diagnosis of ECG-rhythms was rendered impossible.

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Keywords

10 microT
 
16.7-Hz alternate current power lines
 
direct linear correlation
 
ECG
 
ECG device
 
ECG-rhythms
 
human surface electrocardiogram
 
impossible
 
proper diagnosis
 
railroad platform
 
test person
 
voltage transformer substation