Assertion: amiodarone | /r/ObjectUse | used since 1960
Facets:
value: for the management of various tachyarrhythmias
type: PURPOSE
value: in the past
type: TEMPORAL
value: for refractory angina
type: PURPOSE
Source sentences:
text: Amiodarone has been used since the 1960s for the management of various tachyarrhythmias and in the past for refractory angina.