Assertion: antiarrhythmic drug | /r/HasProperty | ineffective
Facets:
value: for some people with atrial fibrillation
type: OTHER
Source sentences:
text: The success rate of ablation for atrial fibrillation is less satisfactory and amiodarone still plays a key role when other antiarrhythmic drugs are ineffective or contraindicated.
text: For some people with atrial fibrillation, antiarrhythmic drugs are ineffective or can lose effectiveness over time.