专利名称：Measuring atrial fibrillation burden using
implantable device based sensors
发明人：Barun Maskara,Pramodsingh Hirasingh
Thakur,Qi An
申请号：US14539424申请日：20141112公开号：US09591986B2公开日：20170314
专利附图：
摘要：An apparatus may include a sensing circuit and an arrhythmia detection circuit.The sensing circuit is configured to generate a sensed physiological signal representative
of cardiac activity of a subject. The arrhythmia detection circuit is configured to monitorventricular depolarization (V-V) intervals using the sensed physiological signal, detectwhen at least a portion of the V-V intervals satisfies an arrhythmia detection thresholdinterval, calculate a value of variability of the V-V intervals and calculate a value ofvariability of a systolic portion of the V-V intervals in response to the detection, andgenerate an indication of atrial fibrillation (AF) according to a comparison including thevalue of variability of the V-V intervals and the value of variability of the systolic portionof the V-V intervals and provide the indication to at least one of a user or process.
申请人：Cardiac Pacemakers, Inc.
地址：St. Paul MN US
国籍：US
代理机构：Schwegman Lundberg & Woessner P.A.
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