Study type: Medical/biological study (experimental study)

Effects of ELF electric fields on the isolated frog heart. med./bio.

Published in: IEEE Trans Biomed Eng 1983; 30 (6): 347-348

Aim of study (acc. to author)

To investigate the effect of extremely low frequency (ELF) electric fields on heart rate of isolated frog hearts in vitro.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 700 mHz–60 Hz

Exposure 1

Main characteristics
Frequency 700 mHz–60 Hz
Type
Exposure setup
Exposure source
Setup The heart was placed in the center of the petri dish midway between the electrodes.
Parameters
Measurand Value Type Method Mass Remarks
electric field strength 70 V/m maximum - - -

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Investigated organ system:
Time of investigation:
  • during exposure

Main outcome of study (acc. to author)

Heart rates were increased by the electric fields above a threshold of 20-30 V/m. Moreover, heart rate was more affected by field frequencies near the natural heart rate (approx. 0.5 Hz), as by higher frequencies.

Study character:

Study funded by

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