Cardiac arrhythmias Ivabradine is not effective in the treatment or prevention of cardiac arrhythmias and likely loses its efficacy when a tachyarrhythmia occurs (eg. ventricular or supraventricular tachycardia).
Tõenäoliselt kaotab ta oma toime tahhüarütmia tekkel (näiteks ventrikulaarne ja supraventrikulaarne tahhükardia).