Surgery – Truss – Pad
Patent
1996-02-12
1997-02-18
Kamm, William E.
Surgery
Truss
Pad
607 25, A61B 50452
Patent
active
056033311
ABSTRACT:
An implantable cardiac rhythm management device (pacemaker or defibrillator) having circuitry for determining the interval between two successive natural ventricular depolarization signals, includes the capability of computing and storing histogram arrays of heart rate variability data over a prolonged period, such as 24 hours. By utilizing an algorithm for generating a histographic log and a time domain log wherein a logarithmic data compression technique is implemented, the volume of HRV data collected for later telemetered readout to an external device does not exceed the memory and power capabilities of the implanted device.
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Carlson Gerrard M.
Heemels Jan P.
Spinelli Julio C.
Cardiac Pacemakers Inc.
Evanisko George R.
Kamm William E.
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