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Apparatus for monitoring and storing a variety of heart activity signals

  • US 4,360,030 A
  • Filed: 01/23/1980
  • Issued: 11/23/1982
  • Est. Priority Date: 01/23/1980
  • Status: Expired due to Term
First Claim
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1. Apparatus for monitoring and storing electrical signals indicative of heart activity including a series of heartbeats, said apparatus comprising:

  • (a) means for sampling a patient'"'"'s heart activity to provide a sequence of sampled heart signals at a rate sufficient to provide a plurality of sampled heart signals of one heartbeat and comparing one sampled heart signal with a subsequent heart signal of said one heartbeat to provide a heartbeat signal indicative of the occurrence of a valid peak of said one heartbeat, if said one sampled heart signal has a predetermined amplitude relationship to said subsequent sampled heart signal;

    (b) memory means including a plurality of storage locations, said locations for storing corresponding heartbeat signals, and(c) means responsive to the provision of said heartbeat signal for evaluating a sequence of said heartbeat signals as stored in said plurality of locations to determine whether the patient'"'"'s activity is rhythmic, and if so for providing a manifestation of rhythmic heart activity and if not, for providing a manifestation of disrhythmic heart activity.

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