Patent ID: 9526907
Filing Date: 2016-12-27
CPC Classification: A61N

Claim Text:
1. A method for delivering electrical stimulation to a heart of a patient, the method comprising: sensing at least one biological signal corresponding to electrical activity of the heart; analyzing the at least one biological signal to identify irregular electrical activity in a ventricle of the heart; and in response to identifying irregular electrical activity in the ventricle of the heart, delivering a plurality of stages of electrical stimulation to the heart, wherein each stage of the plurality of stages of electrical stimulation is separated from a subsequent stage or a prior stage by a pre-determined inter-stage delay, the plurality of stages of electrical stimulation includes at least a first stage and a second stage, the first stage includes a first plurality of pulses and the second stage includes a second plurality of pulses greater in number than the first plurality of pulses in the first stage, each pulse in the first plurality of pulses has a shorter duration than a duration of each pulse in the second plurality of pulses, and an amplitude of each pulse of the first plurality of pulses is greater than an amplitude of each pulse in the second plurality of pulses.