Arrhythmia detector

Details Arrhythmia detector Arrhythmia detector

1976-01-26

1977-05-17

Kamm, William E.

Surgery

Truss

Perineal

A61B 504

Patent

active

040235645

ABSTRACT:
The amplitude of each R wave of an electrocardiogram signal at each of a plurality of sample points is compared with reference values representing amplitudes of a reference template at the sample points, with each new set of R wave amplitudes at the test points being applied to update the reference values by being averaged therewith. The amplitudes of each R wave which has been determined to differ from the reference template at at least one of the test points are stored in a recirculating shift register memory in addition to being compared to other values previously stored in the memory. Whenever a set of amplitudes is determined to be equal to a set of amplitudes previously stored in the memory, an alarm signal is generated to identify an arrhythmia.

REFERENCES:
patent: 3524442 (1970-08-01), Horth
patent: 3616790 (1971-11-01), Harris
patent: 3759248 (1973-09-01), Valiquette
patent: 3858034 (1974-12-01), Anderson

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