Long term atrial fibrillation monitor
First Claim
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1. A long-term monitor using scheduled short-term acquisition of data from a patient for determining whether a condition of atrial fibrillation exists, the monitor comprising:
- (a) a first and second momentary contact electrode for momentarily contacting the patient;
(b) an atrial fibrillation detector circuit communicating with the first and second electrodes and executing a stored program to;
(i) receive ECG signals from the a patient touching the first and second momentary contact electrodes;
(ii) detect a likelihood that the patient is experiencing atrial fibrillation; and
(iii) provide a first output signal to the patient if the likelihood is above a predetermined threshold and otherwise providing to the patient a second output signal indicating that the likelihood is not above the predetermined threshold; and
(c) a sensor in communication with at least one of the momentary contact electrodes and the atrial fibrillation detector circuit that activates the circuit only upon a determination that the patient is touching the at least one contact electrode.
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Abstract
An atrial fibrillation monitor provides hand-contacting electrodes to allow daily ECG measurements of a patient without cumbersome electrode connection to the patient. ECG data may be diagnosed by the monitor to indicate likelihood of atrial fibrillation and an indication provided to the patient ECG data based on that indication may be forwarded to a physician or other healthcare professional for a review.
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Citations
20 Claims
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1. A long-term monitor using scheduled short-term acquisition of data from a patient for determining whether a condition of atrial fibrillation exists, the monitor comprising:
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(a) a first and second momentary contact electrode for momentarily contacting the patient;
(b) an atrial fibrillation detector circuit communicating with the first and second electrodes and executing a stored program to;
(i) receive ECG signals from the a patient touching the first and second momentary contact electrodes;
(ii) detect a likelihood that the patient is experiencing atrial fibrillation; and
(iii) provide a first output signal to the patient if the likelihood is above a predetermined threshold and otherwise providing to the patient a second output signal indicating that the likelihood is not above the predetermined threshold; and
(c) a sensor in communication with at least one of the momentary contact electrodes and the atrial fibrillation detector circuit that activates the circuit only upon a determination that the patient is touching the at least one contact electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
(iv) records the received ECG signals subsequent to the patient touching the momentary contact electrodes. -
7. The monitor of claim 6 further including a communication circuit and wherein the atrial fibrillation detector circuit further
(v) provides communication of the recorded ECG signals to communication circuit for communication to a remote site. -
8. The monitor of claim 1 further including a communication circuit and wherein the atrial fibrillation detector circuit further
(iv) communicates the ECG signals to the communication circuit for transmission to a remote site. -
9. The monitor of claim 8, wherein the communication circuit further comprises a telephone line communication circuit.
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10. The monitor of claim 1 further including an alarm clock circuit providing an output signal to the patient to remind the patient to contact the electrodes for a reading.
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11. The monitor of claim 1 further including a text display communicating with the atrial fibrillation detector circuit to provide text messages instructing the patient in touching the momentary contact electrodes and remaining in contact with the electrodes prior to generation of the output signal.
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12. A method of long term monitoring a patient for atrial fibrillation using an atrial fibrillation detector having a first and second momentary contact electrode sized to contact a portion of a patient'"'"'s right and left hand, respectively, and incorporating an atrial fibrillation detector circuit communicating with the first and second momentary contact electrode, the method comprising the steps of:
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(a) sensing that the patient is touching at least one of the momentary contact electrodes;
(b) at no more than a predetermined interval, collecting from the patient an ECG sample when the patient touches the momentary contact electrodes, wherein the date is collected for a short period of time substantially less than a daily interval;
(c) detect by the atrial fibrillation detector circuit a likelihood that the patient is experiencing atrial fibrillation; and
(d) provide a first signal to the patient when the likelihood is above a predetermined threshold and otherwise providing to the patient a second output signal indicating that the likelihood is not above the predetermined threshold. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
(d) recording the received ECG signals subsequent to the patient touching the first and second momentary contact electrodes.
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15. The method of claim 14 wherein the atrial fibrillation monitor includes a communication circuit and further including the step of:
(e) communicating of the recorded ECG signals to a remote site.
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16. The method of claim 12 wherein the atrial fibrillation monitor includes a communication circuit and further including the step of:
(d) communicating of the recorded ECG signals to a remote site.
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17. The method of claim 16, wherein the communication circuit further comprises a telephone line communication circuit.
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18. The method of claim 12 wherein the atrial fibrillation monitor includes a clock circuit and further including the step of:
(d) providing a second output signal to the patient at daily intervals to remind the patient to grasp the momentary contact electrodes.
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19. The method of claim 12 wherein the tabletop atrial fibrillation monitor includes a text display communicating with the atrial fibrillation detector circuit and further including the steps of:
(d) providing text messages instructing the patient in touching the first and second momentary contact electrodes and remaining in contact with the elements prior to generation of the output signal.
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20. A monitor for atrial fibrillation comprising:
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(a) a first and second momentary contact electrode;
(b) an atrial fibrillation detector circuit communicating with the first and second electrodes and executing a stored program to;
(i) receive ECG signals from a patient touching the first and second momentary contact electrodes;
(ii) detect a likelihood that the patient is experiencing atrial fibrillation; and
(iii) provide a first output signal to the patient if the likelihood is above a predetermined threshold and otherwise providing to the patient a second output signal indicating that the likelihood is not above the predetermined threshold; and
(c) an alarm clock circuit providing an output signal to the patient to remind the patient to contact the electrodes for a reading.
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Specification