ECG MONITORING WITH REDUCED FALSE ASYSTOLE ALARMS
First Claim
1. A patient monitor comprising:
- an electrocardiograph monitoring an electrocardiographic signal of a patient;
a secondary physiological signal monitor monitoring a second physiological signal of the patient concurrently with the electrocardiograph monitoring the electrocardiographic signal of the patient;
an alarm condition detector configured to detect an alarm condition based on the electrocardiographic signal of the patient;
an alarm condition validator configured to validate the alarm condition based on pulse regularity of a pulsatile component of the concurrently monitored second physiological signal of the patient; and
an alarm indicator configured to generate a human-perceptible alarm conditional upon both the alarm condition detector detecting an alarm condition and the alarm condition validator validating the alarm condition.
1 Assignment
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Accused Products
Abstract
A patient monitor comprises: an electrocardiograph (14, 20) monitoring an electrocardiographic signal (40) of a patient (10); a secondary physiological signal monitor (16, 20) monitoring a second physiological signal (50) of the patient concurrently with the electrocardiograph monitoring the electrocardiographic signal of the patient; an alarm condition detector (42, 44) configured to detect an alarm condition based on the electrocardiographic signal of the patient; an alarm condition validator (52, 54, 56) configured to validate the alarm condition based on pulse regularity of a pulsatile component of the concurrently monitored second physiological signal of the patient; and an alarm indicator (24, 26, 58) configured to generate a human perceptible alarm conditional upon both the alarm condition detector detecting an alarm condition and the alarm condition validator validating the alarm condition.
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Citations
20 Claims
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1. A patient monitor comprising:
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an electrocardiograph monitoring an electrocardiographic signal of a patient; a secondary physiological signal monitor monitoring a second physiological signal of the patient concurrently with the electrocardiograph monitoring the electrocardiographic signal of the patient; an alarm condition detector configured to detect an alarm condition based on the electrocardiographic signal of the patient; an alarm condition validator configured to validate the alarm condition based on pulse regularity of a pulsatile component of the concurrently monitored second physiological signal of the patient; and an alarm indicator configured to generate a human-perceptible alarm conditional upon both the alarm condition detector detecting an alarm condition and the alarm condition validator validating the alarm condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A patient monitoring method comprising:
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monitoring an electrocardiographic signal of a patient; monitoring a second physiological signal of the patient concurrently with the monitoring of the electrocardiographic signal of the patient; detecting an alarm condition based on the electrocardiographic signal of the patient; validating the alarm condition based on pulse regularity of a pulsatile component of the concurrently monitored second physiological signal of the patient; and generating a human-perceptible alarm conditional upon the alarm condition being validated by the validating. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification