Cardiac rhythm management device with detection and therapy for

Details Cardiac rhythm management device with detection and therapy for Cardiac rhythm management device with detection and therapy for

1999-03-01

2000-04-11

Getzow, Scott M.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 136

Patent

active

060497351

ABSTRACT:
A method and apparatus for cardiac stimulation for addressing vasovagal syncope incorporates a detection algorithm in which a precipitous rate drop from a pre-existing average intrinsic heart rate value to a lower rate limit is sensed and if the patient is awake and the intrinsic rate remains below the lower rate limit for a predetermined number of beats, the patient's heart is paced at a rate that is a programmed differential above the prior average intrinsic rate for a second programmed time interval, at the conclusion of which the pacing rate is gradually decreased to the average heart rate existing prior to the sudden rate drop or to the lower rate limit.

REFERENCES:
patent: 5284491 (1994-02-01), Sutton et al.
patent: 5501701 (1996-03-01), Markowitz et al.
patent: 5676686 (1997-10-01), Jensen et al.
D.A. Richardson, et al. "Prevalence of Cardioinhibitory Carotid Sinus Hypersensitivity in Patients 50 Years or over Presenting to the Accident and Emergency Department with `Unexplained` or `Recurrent Falls", Pace, vol. 20, Mar. 1997, Part II, pp. 820-823.
Mark E. V. Petersen, et al. "Cardiac Pacing for Vasovagal Syncope: A Reasonable Therapeutic Option?", Pace, vol. 20, Mar. 1997, Part II, pp. 824-826.
A.B. Dey, et al., "Cardiovascular Syncope Is the Most Common Cause of Drop Attacks in the Elderly", Pace, vol. 20, Mar. 1997, Part II, pp. 818-819.
David G. Benditt, et al., "Clinical Experience with Thera DR Rate-Drop Response Pacing Algorithm in Carotid Sinus Syndrome and Vasovagal Syncope", Pace, vol. 20, Mar. 1997, Part II, pp. 832-836.
Sutton, et al., "First Steps Toward a Pacing Algorithm for Vasovagal Syncope", Pace, vol. 20, Mar. 1997, Part II, pp. 827-828.

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