METHOD AND APPARATUS FOR DETECTING ARRHYTHMIAS IN A SUBCUTANEOUS MEDICAL DEVICE
First Claim
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1. A method of detecting a cardiac event in a medical device, comprising:
- sensing cardiac signals from a plurality of electrodes;
charging an energy storage device in response to the sensed cardiac signals;
determining whether the charging of the energy storage device is completed; and
determining whether the cardiac event is confirmed in response to an asynchronous look back.
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Abstract
A method and apparatus for detecting a cardiac event in a medical device that includes sensing cardiac signals from a plurality of electrodes, charging an energy storage device in response to the sensed cardiac signals, determining whether the charging of the energy storage device is completed, and determining whether the cardiac event is confirmed in response to an asynchronous look back.
102 Citations
30 Claims
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1. A method of detecting a cardiac event in a medical device, comprising:
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sensing cardiac signals from a plurality of electrodes; charging an energy storage device in response to the sensed cardiac signals; determining whether the charging of the energy storage device is completed; and determining whether the cardiac event is confirmed in response to an asynchronous look back. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of detecting a cardiac event in a medical device, comprising:
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sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a first sensing vector and a second sensing vector; charging an energy storage device in response to the sensed cardiac signals; determining whether the charging of the energy storage device is completed; and determining, in response to the charging of the energy storage device being completed, whether the cardiac event is confirmed in response to an asynchronous look back associated with cardiac signals sensed along the first sensing vector and the second sensing vector. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A medical device for detecting a cardiac event and delivering a corresponding therapy, the device comprising:
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a plurality of electrodes sensing cardiac signals along a first sensing vector and a second sensing vector; an energy storage device; and a control unit determining, in response to charging of the energy storage device being completed, whether sensing of the cardiac event is confirmed in response to an asynchronous look back associated with cardiac signals sensed along the first sensing vector and the second sensing vector. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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24. A medical device for detecting a cardiac event and delivering a corresponding therapy, the device comprising:
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means for sensing cardiac signals from a plurality of electrodes; means for charging of an energy storage device in response to the sensed cardiac signals; means for determining whether the charging of the energy storage device is completed; and means for determining whether the cardiac event is confirmed in response to an asynchronous look back. - View Dependent Claims (25, 26, 27, 28, 29, 30)
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Specification