TABLE 1.

Relative risk of QTc prolongation with frequently used antidepressant drugs.

Substance	Risk of QTc prolongation
citalopram, es-citalopram, TCAs (particularly amitriptyline)	+
fluoxetine, fluvoxamine, mirtazapine, sertraline, venlafaxine	(+)
agomelatine, bupropion, duloxetine, milnacipran, paroxetine, reboxetine, vortioxetine	(±)

+, existent; (+), low; (±), very low.