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3 years ago
The two most important, both medically and socially, cardiac arrhythmic problems of our time are sudden cardiac death due to ventricular fibrillation (VF) (mainly in the setting of coronary artery disease) and atrial fibrillation (AF). For both of them, the identification of electrocardiogram ( ECG) markers that can reliably predict the occurrence of the arrhythmia is generally an unresolved…
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Added:
3 years ago
Ventricular repolarization, as opposed to depolarization, is not a triggered phenomenon following an orderly sequence, hence the dissimilarity between their inscribed electrocardiographic waves; rather, ventricular myocytes repolarize at a time and rate determined by their intrinsic electrophysiological properties (relative concentration of ion channel types and isoforms), as well as by the…
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