Assertion: ablation | /r/AtLocation | patient
Facets:
value: less well
type: DEGREE
Source sentences:
text: Ablation works best in patients who have relatively brief episodes of atrial fibrillation—so-called "paroxysmal" atrial fibrillation.
text: Ablation works much less well in patients who have chronic or persistent atrial fibrillation, or who have significant underlying cardiac disease, such as heart failure or heart valve disease.