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Method and apparatus for monitoring electrocardiographic waveforms

  • US 4,181,135 A
  • Filed: 03/03/1978
  • Issued: 01/01/1980
  • Est. Priority Date: 03/03/1978
  • Status: Expired due to Term
First Claim
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1. An ECG monitoring system comprising means responsive to an ECG waveform for providing a measure proportional to the area of the QRS complex of said ECG waveform, means responsive to the ECG waveform for providing a measure proportional to the peak height of the QRS complex of said ECG waveform, and means for dividing said area measure by said peak height measure thereby to provide a normalized measure proportional to the width of the QRS complex of said ECG waveform.

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