Assertion: beta blocker | /r/CapableOf | protect the heart
Facets:
value: from a second heart attack
type: TRANSITIVE-OBJECT
value: after a first heart attack
type: TEMPORAL
Source sentences:
text: Beta blockers (beta-blockers, β-blockers, etc.) are a class of medications that are predominantly used to manage abnormal heart rhythms, and to protect the heart from a second heart attack (myocardial infarction) after a first heart attack (secondary prevention).