Defibrillation success probability predicting method and defibrillation instrument
A defibrillator, point data technology, applied in the direction of cardiac defibrillators, etc., can solve the problems of insufficient accuracy, long signal length, affecting the treatment of patients with ventricular fibrillation, etc., to achieve the effect of high accuracy and short length
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[0034] The present invention will be described in detail below with reference to the drawings, such as figure 1 Shown:
[0035] The method for predicting the success probability of defibrillation of the present invention includes the following steps:
[0036] Step 1: Collect the ECG signal data, obtain the patient's ECG signal through the defibrillation electrode, and preprocess it through the band-pass filter. The frequency range of the band-pass filter is 2Hz~48Hz.
[0037] Step 2: Before defibrillation, use a rectangular window to select the ECG data images from 0.1s to 10s for analysis, delay the selected signal τ, and use the original signal as the horizontal axis and the delayed signal as the vertical axis Coordinates draw a two-dimensional scatter diagram, and map one-dimensional ECG data to a two-dimensional plane, where τ=3ms.
[0038] Step 3: Such as figure 2 As shown, the two-dimensional scatter diagram is analyzed, the distance between each scatter point and the line x=y...
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