Sudden death early-warning method, device and system

Abstract

The invention discloses a sudden death early-warning method, device and system. The method comprises the steps of 1, extracting and detecting physiological information, wherein respiration, oxyhemoglobin saturation, heart rate and heart rate variability information of a testee are extracted, and totally the 6 monitoring indexes of the respiratory rate, the AHI index, the arterial oxygen saturation, the heart rate, the Poincare map indexes SDI and SD2 are obtained; 2, detecting abnormity of the physiological information, wherein various kinds of physiological information obtained in step 1 aresubjected to abnormity detection and early-warning level calculation; when abnormity is detected, step 3 is executed if the result shows abnormity, and detection continues if the result shows normality; 3, conducting sound, light and vibration alarming, wherein an alarm apparatus is driven to give out sound, light and vibration, and the corresponding early-warning level is offered; it shows that the higher the early-warning level is, the higher the risk of sudden death is, and when the early-warning level is larger than 3, the testee needs to see a doctor, and if the early-warning level is larger than 5, the testee needs to see a doctor urgently. The sudden death early-warning device comprises a respiratory sensor module, an oxyhemoglobin saturation sensor module, a heart rate sensor module and a microprocessor module.

Description

technical field [0001] The invention relates to the field of biomedical engineering, in particular to a sudden death early warning method, device and system. Background technique [0002] The World Health Organization defines sudden death (Sudden Death) as: "Patients who are usually healthy or seemingly healthy die suddenly due to natural diseases in an unexpectedly short period of time." According to the report of the World Health Organization, among the top ten causes of death in the world , directly related to sudden death are ischemic heart disease, stroke and hypertensive heart disease. Only these three items accounted for 15.2 million deaths worldwide from 2000 to 2012, accounting for more than 25% of all causes of death; the number of sudden death deaths increased year by year, and the distribution of deaths ranged from low- and middle-income countries, high-middle-income countries to high-income countries. It has the characteristics of large number of deaths, high i...

AI Technical Summary

Problems solved by technology

[0005] The existing sudden death early warning methods and early warning devices represented by the above methods usually use photoplethysmography as the main method to detect pulse or heart rate signals, supplemented by motion information monitoring and abnormal monitoring of myoelectricity caused by mental stress to realize the monitoring of the cardiovascular system. Monitoring and early warning of abnormalities caused by diseases, with a single monitoring index, it is difficult to monitor and early warning of abnormalities caused by diseases of the respiratory system, nervous system and other systems

The missed alarm rate and false alarm rate are high, which is not enough to provide monitoring and early warning for most sudden death factors and the entire population

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