Pacemaker with anaerobic threshold determination

Details Pacemaker with anaerobic threshold determination Pacemaker with anaerobic threshold determination

1997-04-16

1998-09-01

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 1365

Patent

active

058004696

ABSTRACT:
A rate responsive pacemaker includes a detector for detecting the anaerobic threshold of the patient. The threshold can be logged or can be used to manipulate the pacing regime of the pacemaker. The detector may include two metabolic demand sensors: one which is sensitive to the anaerobic threshold and one that is not. In this manner, the anaerobic threshold can be detected by monitoring the correlation between the two parameters. The parameter sensitive to the anaerobic threshold may be a parameter dependent on the patient's breathing cycle, such as minute volume, while the other parameter is preferably a threshold dependent on the sympathetic control of the body such as the QT interval.

REFERENCES:
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patent: 4901725 (1990-02-01), Nappholz et al.
patent: 5065759 (1991-11-01), Beggmann et al.
patent: 5161527 (1992-11-01), Nappholz et al.
patent: 5292340 (1994-03-01), Crosby et al.
patent: 5441523 (1995-08-01), Nappholz
patent: 5487753 (1996-01-01), MacCarter et al.

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