Assertion: atrial fibrillation | /r/HasProperty | diagnosed on an electrocardiogram
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Atrial fibrillation is diagnosed on an electrocardiogram (ECG), an investigation performed routinely whenever an irregular heartbeat is suspected.
text: Atrial fibrillation is usually diagnosed using an electrocardiogram, or ECG.
text: Atrial fibrillation may be diagnosed through an electrocardiogram.