Meaning of the word "heart beat" in English

What does "heart beat" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

heart beat

US /ˈhɑːrt biːt/
UK /ˈhɑːt biːt/

Noun

a pulsation of the heart

Example:
Her heartbeat quickened with excitement.
The doctor listened to the baby's heartbeat.