Ionic and cellular mechanisms underlying the development of acquired Brugada syndrome in patients treated with antidepressants.

Abstract excerpt

INTRODUCTION: Tricyclic antidepressants are known to induce cardiac arrhythmias at therapeutic or supratherapeutic doses. The tricyclic antidepressant, amitriptyline, is reported to induce ST segment elevation in the right precordial electrocardiogram (ECG) leads, thus unmasking Brugada syndrome (BrS). The mechanism by which antidepressants induce the BrS phenotype and associated sudden death is not well...

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