Assertion: digitalis's effect | /r/HasProperty | reported for flecainide
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Source sentences:
text: Adverse effects reported for Flecainide, described in detail in the WARNINGS section, were new or worsened arrhythmias which occurred in 1% of 108 patients with PSVT and in 7% of 117 patients with PAF; and new or exacerbated ventricular arrhythmias which occurred in 7% of 1330 patients with PVCs, non-sustained or sustained VT.