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Arrhythmia in the control, untreated myocardial infarction (MI) and pre-treated (lipoic acid, zinc sulfate and clopidogrel) groups. Significance of differences is calculated by χ2-test at p < 0.05; a—vs. controls, b—vs. MI group; (A) incidence of total arrhythmia, (B) incidence of each type of the observed arrhythmia; whether at basal condition (Basal) or induced by ISO infusion (ISO-provoked).
