Implantable cardiac stimulation device providing autocapture...

Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems

Reexamination Certificate

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C607S014000

Reexamination Certificate

active

07424323

ABSTRACT:
An implantable cardiac stimulation device prevents pacemaker mediated tachycardias during autocapture. The device includes a refractory circuit that establishes a lengthened post ventricular atrial refractory period (PVARP) in response to a lengthened AV interval. Such a lengthened AV interval may occur as a result of the provision of a back-up pacing pulse or fusion beat evaluation during autocapture.

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patent: 6618622 (2003-09-01), Mann et al.
Paul A. Levine, MD, “Postventricular Atrial Refractory Periods and Pacemaker Mediated Tachycardias”,Clin. Prog. In Pacing and Electrophysiol., vol. 1, No. 4 (1983), pp. 394-401.

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