heart monitor

noun

UK /ˈhɑːt ˌmɒnɪtə/

US /ˈhɑːrt ˌmɑːnɪtər/

A heart monitor is a machine that watches how your heart is beating.

The doctor put a heart monitor on my chest to check my heartbeat.

SYNONYMS

cardiac monitor heart rate monitor ECG machine pulse monitor

RELATED WORDS

heartbeat pulse electrocardiogram stethoscope cardiology

OTHER MEANINGS

2. A wearable device that shows your heart rate while you exercise.

My watch is a heart monitor that tells me how fast my heart beats when I run.

3. A screen in a hospital that shows a patient's heart rhythm all the time.

The nurse watched the heart monitor beside the patient's bed.

4. A small portable device a person wears for a day to record their heartbeat.

She wore a heart monitor for 24 hours so the doctor could study her heart.