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METHOD AND APPARATUS FOR PRODUCING SAMPLE ELECTROCARDIOGRAMS

  • US 3,824,990 A
  • Filed: 06/30/1971
  • Issued: 07/23/1974
  • Est. Priority Date: 06/30/1971
  • Status: Expired due to Term
First Claim
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1. The method of automatically recording arrhythmic heartbeats in a patient, comprising attaching electrodes to the patient to a monitor his heartbeat, amplifying the electrical wave signals received on the electrodes, measuring the time intervals between similar portions of the said electrical wave signals, converting said timed intervals into quantified interval and, by the employment of an electronic circuit, storing the set of said quantified intervals, comparing subsequent intervals with said set of stored intervals and commencing the recording of an electrocardiogram and storing of said subsequent interval upon the comparison of an interval which does not match any of said set of stored intervals.

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