Automatic ventricular pacing pulse threshold determination utili

Details Automatic ventricular pacing pulse threshold determination utili Automatic ventricular pacing pulse threshold determination utili

1994-03-04

1995-02-21

Manuel, George

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

128697, A61N 137

Patent

active

053911920

ABSTRACT:
A clinical programming system is disclosed for use with an implanted cardiac pacemaker to automatically determine the minimum pacing energy which is necessary to evoke a ventricular depolarization. The system utilizes a series of pacing pulses of progressively decreasing energies to stimulate the ventricle, and detects evoked responses through measurements of the integrals of the R-waves provided by a surface electrocardiogram. Upon loss of capture, the minimum pacing energy is a function of the energy of the last pacing pulse which evoked a ventricular depolarization.

REFERENCES:
patent: 4759366 (1988-07-01), Callaghan
patent: 4759367 (1988-07-01), Callaghan
patent: 4766901 (1988-08-01), Callaghan
patent: 4903700 (1990-02-01), Whigham et al.
patent: 4969462 (1990-11-01), Callaghan et al.
patent: 5172690 (1992-12-01), Nappholz et al.

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