Implantable ambulatory electrocardiogram monitor
First Claim
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1. A chronically and totally implanted heartbeat signal monitor capable of communicating with a message-receiving device, comprising:
- subcutaneous sensing means, adapted to be located remote from a patient'"'"'s heart, for sensing heartbeat signals,means responsive to sensed heartbeat signals for determining a heart abnormality, andmeans responsive to said determining means for communicating with said message-receiving device to report on a heart abnormality.
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Abstract
An implanted programmable ambulatory electrocardiography (AECG) patient monitoring device that senses and analyzes electrocardiographic signals from at least one subcutaneous precordial sensor chronically and frequently to detect electrocardiogram and physiological signal characteristics predictive of malignant cardiac arrhythmias. The device includes telemetric capabilities to communicate a warning signal to an external device when such arrhythmias are predicted.
1429 Citations
28 Claims
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1. A chronically and totally implanted heartbeat signal monitor capable of communicating with a message-receiving device, comprising:
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subcutaneous sensing means, adapted to be located remote from a patient'"'"'s heart, for sensing heartbeat signals, means responsive to sensed heartbeat signals for determining a heart abnormality, and means responsive to said determining means for communicating with said message-receiving device to report on a heart abnormality. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A chronically and totally implanted heartbeat signal monitor capable of communicating with a message-receiving device, comprising:
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subcutaneous sensing means for sensing heartbeat signals remote from a patient'"'"'s heart, said sensing means including electrodes adapted for implantation beneath the skin of a patient at precordial positions which are standard in body surface ambulatory electrocardiography, means responsive to sensed heartbeat signals for deriving cardiac information therefrom, and means responsive to said deriving means for communicating with said message-receiving device to report on the derived cardiac information.
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22. A method for monitoring heartbeat signals comprising the steps of:
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chronically and totally implanting a heartbeat signal monitor having an electronic device and at least one sensing lead, said sensing lead having an electrode thereon, and said electronic device being capable of deriving cardiac information from signals appearing at said electrode and telemetering such information to an external device, and implanting said at least one sensing lead subcutaneously with said electrode being positioned beneath the skin of the patient, remote from the patient'"'"'s heart, at a precordial position which is standard in ambulatory electrocardiography.
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23. A method for monitoring heartbeat signals by a heartbeat monitoring device comprising the steps of:
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sensing heartbeat signals from at least one electrode, positioned beneath the skin of the patient and remote from the patient'"'"'s heart, at a precordial position which is standard in ambulatory electrocardiography, analyzing sensed heartbeat signals to detect a morphology and timing indicative of a heart abnormality, upon the detection of a heart abnormality, initiating communication with a non-implanted message-receiving device independent of the operation of said message-receiving device, identifying the non-implanted message-receiving device adapted to communicate with the heartbeat monitoring device, and transmitting diagnostic messages to said message-receiving device upon successful device identification. - View Dependent Claims (24, 25, 26, 27, 28)
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Specification