Assertion: beta blocker | /r/CapableOf | control heart rate
Facets:
Source sentences:
text: Beta blockers affect the central nervous system, controlling mental alertness, lung function, heart rate and blood vessels.
text: The drug sometimes restores a normal sinus rhythm; if it doesn’t, calcium channel blockers and beta blockers may be given immediately to control the heart rate while amiodarone or ibutilide may be used to help restore a normal sinus rhythm.