Assertion: atrial fibrillation | /r/CreatedBy | an excess of thyroid hormones
Facets:
Source sentences:
text: Atrial fibrillation caused by an excess of thyroid hormones (hyperthyroidism) can be treated with medication or surgery to address the underlying condition.
text: Atrial fibrillation caused by an excess of thyroid hormones can be treated with medication or surgery.