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Ventricular late potentials are electrocardiographic components that are attenuated, fragmented and delayed when the ventricular depolarization wave reaches any tissue damaged by a heart attack. These potentials are often studied for use as markers of sudden cardiac death risk. The method most used to predict this risk is the classical time domain. However, this method has a great sensitivity to noise,...
Thousands of deaths can be prevented detecting Ventricular Late Potentials (VLPs) in patients who have suffered infarcts heart attacks. The current method to detect VLPs based on time domain analysis presents low predictive values. VLPs are very difficult to detect because have amplitudes between 5 and 20 µV and their spectrum is difficult to distinguish from noise spectrum. The Wigner distribution...
Myocardial infarction is one of the most common pathologies in Mexico. Baja California presents a high incidence. People who survive the infarct can die suddenly during the recovery process because they develop sustained malignant tachycardia. Those regularly are produced by small potentials that appear in the end part of the QRS complex and/or at the beginning of the ST segment, called ventricular...
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