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Science 5 May 1967:
Vol. 156. no. 3775, pp. 652 - 654
DOI: 10.1126/science.156.3775.652
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Articles

Magnetic Fields around the Torso: Production by Electrical Activity of the Human Heart

David Cohen 1

1 Department of Physics. University of Illinois at Chicago Circle, Chicago

A search was made outside the torso for fluctuating magnetic fields produced by the heart. Detector and subject were housed in a highly shielded enclosure. Magnetic signals with amplitudes of 10-8 to 10-7 gauss were detected synchronously with the electrocardiogram, confirming previous reports. A magnetocardiographic chest map, consisting of the magnetic field plotted against time at various spatial positions, shows genteral QRS and T-wave structure, as in the electrocardiogram; this structure varies with spatial position.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Magnetoencephalography: Detection of the Brain's Electrical Activity with a Superconducting Magnetometer.
D. Cohen (1972)
Science 175, 664-666
   Abstract »    PDF »
Magnetocardiography of Direct Currents: S-T Segment and Baseline Shifts during Experimental Myocardial Infarction.
D. Cohen, J. C. Norman, F. Molokhia, and W. Hood Jr. (1971)
Science 172, 1329-1333
   Abstract »    PDF »


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