Portable cardiac monitor including a range limiter
First Claim
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1. A portable electrocardiogram (ECG) recorder, comprising:
- means for detecting ECG data from an ambulatory patient;
means for detecting annotation data from the ambulatory patient, wherein the ECG data is different from the annotation data and the annotation data is configured for the ambulatory patient to additionally pinpoint potential cardiac events; and
means for providing the ECG data in a diagnostically useful form irrespective of an out-of-range condition associated with the ECG data and knowledge of the ECG data associated with the ambulatory patient prior to recording, wherein the means for providing is configured to detect a prescribed number of successive 1'"'"'s or 0'"'"'s representative of the ECG data and to generate a current when the prescribed number of successive 1'"'"'s or 0'"'"'s is detected.
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Abstract
A system and method for obtaining ECG signals from an ambulatory patient are disclosed herein. The system is configured to be inexpensive, small, and robust for outpatient monitoring. The system is configured to be a low power consuming device. The system provides options for a variety of settings and real-time access to the ECG signals being recorded during the recording period.
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Citations
20 Claims
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1. A portable electrocardiogram (ECG) recorder, comprising:
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means for detecting ECG data from an ambulatory patient; means for detecting annotation data from the ambulatory patient, wherein the ECG data is different from the annotation data and the annotation data is configured for the ambulatory patient to additionally pinpoint potential cardiac events; and means for providing the ECG data in a diagnostically useful form irrespective of an out-of-range condition associated with the ECG data and knowledge of the ECG data associated with the ambulatory patient prior to recording, wherein the means for providing is configured to detect a prescribed number of successive 1'"'"'s or 0'"'"'s representative of the ECG data and to generate a current when the prescribed number of successive 1'"'"'s or 0'"'"'s is detected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A portable cardiac monitor for recording cardiac signals from a person for a period of time, comprising:
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a modulator operable to receive the cardiac signals from the person; and a clip detector coupled to the modulator to dynamically identify during the period of time, the cardiac signals that are out-of range and to apply a dynamic correction to the cardiac signals for the portable cardiac monitor to record signals that are in-range, without calibrating the clip detector to the cardiac signals of the person prior to start of the period of time, wherein the clip detector is in a feedback loop with the modulator, and wherein the clip detector applies the dynamic correction upon detection of a prescribed number of successive 1'"'"'s or 0'"'"'s representative of the cardiac signals. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification