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To study the effect of mobile phone on human cardiac electrical activity while the mobile phone is located on the precordium.
A total of 24 healthy volunteers were included. In a first step, electrocardiogram (ECG) and blood pressure recordings of the subjects were performed without mobile phone (baseline). Then, the mobile phone was located on the chest and the ECG and blood pressure were recorded while the mobile phone was off, on, and ringing (silent mode). In a second step, heart rhythm and blood pressure were recorded for 30 minutes without mobile phone, and when the mobile phone was "on" at the precordial location.
|ばく露1: 900–1,800 MHz||
|ばく露装置の詳細||phone placed in a pocket suspended from the neck, placed in the left parasternal area; phone set in silent mode|
The mobile phone had no effect on hemodynamic and cardiac electrical activity parameters when it was positioned on the chest in immediate proximity to the heart, and it did not cause cardiac autonomic dysfunction (i.e. heart rate variability) in healthy adult subjects.