Assertion: amiodarone | /r/AtLocation | about 2 to 5%
Facets:
value: in most series
type: TEMPORAL
Source sentences:
text: Cordarone, like other antiarrhythmics, can cause serious exacerbation of the presenting arrhythmia and has been reported in about 2 to 5% in most series, and has included new ventricular fibrillation, incessant ventricular tachycardia, increased resistance to cardioversion, and polymorphic ventricular tachycardia associated with QTc prolongation (Torsade de Pointes [TdP]).