Assertion: ventricular fibrillation | /r/AtLocation | people
Facets:
value: several times
type: TEMPORAL
value: with no history of heart disease
type: OTHER
Source sentences:
text: Ventricular fibrillation can occur in people with no history of heart disease, yet heart disease risk factors such as smoking, diabetes, and high blood pressure can increase the risk.
text: Ventricular fibrillations can occur several times in some people, in an occurrence called an “electrical storm.