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In individuals exposed to electromagnetic fields, LVP analysis is particulary valuable because external or internal EMF may affect heart function by a direct action on the electrical system of the heart. The examinations were carried out in 63 workers of 4 substations (exposed group). The control group consisted of 42 nonexposed workers of 4 Radio Link Stations. The workers had the following performed: general medical examination, an interview including cardiological and family history, resting ECG and signal averaged ECG. The examined groups did not differ significantly in the percentage of subjects with diagnosed LVPS. The authors analysis revealed, however, that the RMS QRS value was significantly higher in the exposed group than in the controls (p = 0.029).
Signal-averaged ECG as a diagnostic method in workers exposed to 50 Hz electromagnetic fields (EMF)
Additional title:
Eine Signalmittelung bei der Elektrokardiographie als diagnostische Methode bei Arbeitnehmern, die elektromagnetischen Feldern von 50 Hz ausgesetzt sind