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Portable cardiac monitor including a range limiter

  • US 7,474,914 B2
  • Filed: 04/08/2005
  • Issued: 01/06/2009
  • Est. Priority Date: 04/08/2005
  • Status: Expired due to Fees
First Claim
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1. A portable electrocardiogram (ECG) recorder, comprising:

  • means for detecting ECG data from an ambulatory patient;

    means for detecting annotation data from the ambulatory patient, wherein the ECG data is different from the annotation data and the annotation data is configured for the ambulatory patient to additionally pinpoint potential cardiac events; and

    means for providing the ECG data in a diagnostically useful form irrespective of an out-of-range condition associated with the ECG data and knowledge of the ECG data associated with the ambulatory patient prior to recording, wherein the means for providing is configured to detect a prescribed number of successive 1'"'"'s or 0'"'"'s representative of the ECG data and to generate a current when the prescribed number of successive 1'"'"'s or 0'"'"'s is detected.

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