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Storage in a pacemaker memory

  • US 4,716,903 A
  • Filed: 10/06/1986
  • Issued: 01/05/1988
  • Est. Priority Date: 10/06/1986
  • Status: Expired due to Term
First Claim
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1. In an implantable pacemaker having means for sensing a cardiac signal, a system for storing a representation of said signal from which the signal subsequently may be reconstructed comprising means for monitoring said signal and determining each time at which the signal has changed by at least a threshold value since the preceding time at which the signal similarly changed, memory means, and means for storing in said memory means data indicative of the intervals between successive times at which said signal changed by at least said threshold value.

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