Cardioverting defibrillating device with off-line ECG analysis

Details Cardioverting defibrillating device with off-line ECG analysis Cardioverting defibrillating device with off-line ECG analysis

1993-05-03

1994-07-19

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 139

Patent

active

053305043

ABSTRACT:
An improved implantable pacemaker/defibrillator device in which a first and relatively simplistic technique is employed to detect an abnormal heart rhythm and a second more precise algorithm is utilized for the more difficult problem of confirming the arrythmia. Since the complex, higher power consuming device is utilized only for confirmation, overall power consumption is minimized. Optionally, the precise algorithm may be utilized periodically to adjust the sensitivity of the detection circuitry.

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G. H. Bardy et al., "Failure of the Automatic Implantable Defibrillator to Detect Ventricular Fibrillation", The Amer. Journal of Cardiology, vol. 58, pp. 1107-1108 (Nov. 15, 1986).

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