Ischemia detector
First Claim
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1. An ischemia detector comprising:
- a workload sensor which emits a workload sensor signal representing a sensed workload of a patient;
a breathing sensor which emits a breathing sensor signal representing breathing activity of a patient;
a detector unit connected to said workload sensor and to said breathing sensor and supplied with said workload sensor signal and said breathing sensor signal, said detector unit identifying a state of ischemia upon an occurrence of a predetermined relation between the sensed workload and the sensed breathing activity, said predetermined relation being a sensed low workload and a simultaneously sensed high breathing activity.
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Abstract
An ischemia detector has a patient workload sensor and a patient breathing sensor which emits a signal representing sensed workload, and a patient breathing sensor which emits a signal representing sensed breathing activity of a patient. These signals are supplied to a detector unit which identifies a state of ischemia upon an occurrence of a predetermined relation between the sensed workload and the sensed breathing activity. This predetermined relation is a sensed low workload and a simultaneously sensed high breathing activity.
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Citations
20 Claims
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1. An ischemia detector comprising:
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a workload sensor which emits a workload sensor signal representing a sensed workload of a patient;
a breathing sensor which emits a breathing sensor signal representing breathing activity of a patient;
a detector unit connected to said workload sensor and to said breathing sensor and supplied with said workload sensor signal and said breathing sensor signal, said detector unit identifying a state of ischemia upon an occurrence of a predetermined relation between the sensed workload and the sensed breathing activity, said predetermined relation being a sensed low workload and a simultaneously sensed high breathing activity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An implantable heart stimulator comprising:
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an ischemia detector comprising;
a workload sensor which emits a workload sensor signal representing a sensed workload of a patient a breathing sensor which emits a breathing sensor signal representing breathing activity of a patient, a detector unit connected to said workload sensor and to said breathing sensor and supplied with said workload sensor signal and said breathing sensor signal, said detector unit identifying a state of ischemia upon an occurrence of a predetermined relation between the sensed workload and the sensed breathing activity, said predetermined relation being a sensed low workload and a simultaneously sensed high breathing activity;
a pulse generator which emits stimulation pulses for delivery to a patient at a stimulation rate; and
means for varying said stimulation rate dependent on identification of a state of ischemia by said ischemia detector.
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Specification