We went to the doctor's office and they found five strong heartbeats.

Against the innocent press of her lips, she fel1 the vibration of his strong heartbeat.

At the core of every healthy body is a strong, steady heartbeat.

Nicholas could feel his heartbeat, strong and heavy, in his throat.

Aside from the giveaway of her age, she had a strong and fast heartbeat.

An extra beat is followed by a pause and then a stronger heartbeat.

It's a strong heartbeat because this is a strong team.

Both of them immediately heard the heartbeat: strong, fast, and steady.

I could hear his heartbeat, fast and strong.

The last glance I had of the fetal monitor showed a really strong heartbeat.