Abstract
Simson’s method employed in cardiological diagnostics detects the presence or absence of late ventricular potentials to indicate cardiac pathologies. It has been a long time since the development of Simson’s method, but it is still used in clinics and is often mentioned in studies related to high-resolution ECGs and averaging of ECG signals. An optimal algorithm of high-resolution ECG averaging was chosen and implemented in this study. Efficiency of Simson’s method was assessed on the cardiac signal recorded using a modern hardware and software complex. The result of the study showed no relationship between late ventricular potentials and localized micropotentials on the ST interval in individual cardiac pulses.
Highlights
High quality of medical diagnostics is due to the development of technologies for monitoring the physiological state of a person
late ventricular potentials (LVPs) are referred to low-amplitude highfrequency ECG components that appear at the end of the QRS complex and at the beginning of the ST segment
The QRS complex was chosen as reference points for several reasons: it is simpler to detect compared to other waves, the area close to the QRS complex should be investigated, and the QRS center is used in Simson's method for filtering
Summary
High quality of medical diagnostics is due to the development of technologies for monitoring the physiological state of a person. LVPs are referred to low-amplitude (about 5–20 μV) highfrequency (over 20–50 Hz) ECG components that appear at the end of the QRS complex and at the beginning of the ST segment. Simson's method was chosen because it employs different signal processing techniques: averaging, filtering and summation of three orthogonal leads.
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