Assertion: ventricular fibrillation | /r/AtLocation | diseased hearts
Facets:
value: most commonly
type: DEGREE
value: most frequently
type: DEGREE
Source sentences:
text: It is important to keep in mind that ventricular fibrillation occurs most frequently in diseased hearts but it can, at times, occur in normal hearts too.
text: Ventricular fibrillation most commonly occurs within diseased hearts, and, in the vast majority of cases, is a manifestation of underlying ischemic heart disease.