Reperfusions arytmier såsom asystoli, accelereret idioventrikulærrytme, arytmi, ekstrasystoler, atrieflimren, atrioventrikulær blok af 1. grad, bradykardi, takykardi, ventrikulær arytmi, ventrikelflimren, ventrikulær takykardi) opstået kort tid efter behandling med tenecteplase.
Reperfusion arrhythmias (such as asystole, accelerated idioventricular arrhythmia, arrhythmia, extrasystoles, atrial fibrillation, atrioventricular block I° to complete, bradycardia, tachycardia, ventricular arrhythmia, ventricular fibrillation, ventricular tachycardia) occur in close temporal relationship to treatment with tenecteplase.