If a heart beats too slowly, the pacemaker will use electrical signals to help set a normal rate.

VOA: special.2010.06.02

Rakim added different beats to the music and began using poetic words to spread his message.

VOA: special.2009.10.14

Some devices include a defibrillator, which gives a shock if the heart beats too fast.

VOA: special.2010.06.02

Some pacemakers include a defibrillator, which gives a shock if the heart beats too fast.

VOA: special.2010.06.29

The producer sent her a CD of some beats he had created.

VOA: special.2009.01.30

She says the drum beats sound like robots walking in the snow.

VOA: special.2009.08.14