die Herzfrequenz
heart rate
The number of heartbeats per unit of time, usually measured in beats per minute. Another term for this is pulse.
Beim Sport steigt die Herzfrequenz deutlich an.
During exercise, the heart rate increases significantly.

heart rate
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heart rate
The number of heartbeats per unit of time, usually measured in beats per minute. Another term for this is pulse.
Beim Sport steigt die Herzfrequenz deutlich an.
During exercise, the heart rate increases significantly.

The word is made up of 'Herz' (heart) and 'Frequenz' (frequency). 'Frequenz' means how often something occurs, so the word literally describes the frequency of the heartbeat.
Eine normale Herzfrequenz liegt bei Erwachsenen in Ruhe zwischen 60 und 80 Schlägen pro Minute.
A normal resting heart rate in adults is between 60 and 80 beats per minute.
Common verbs used in connection with heart rate are 'messen' (to measure), 'überwachen' (to monitor), 'steigen' (to rise), 'sinken' (to fall), 'erhöhen' (to increase), and 'senken' (to lower).
Mit einer Pulsuhr kann man seine Herzfrequenz beim Laufen messen.
With a heart rate monitor, you can measure your heart rate while running.
Heart rate is often described with the adjectives 'hoch' (high), 'niedrig' (low), 'erhöht' (elevated), 'regelmäßig' (regular), or 'unregelmäßig' (irregular).
Bei Aufregung hat man oft eine hohe Herzfrequenz.
When you are excited, you often have a high heart rate.
pulse
'der Puls' and 'die Herzfrequenz' often mean almost the same thing in a medical context: the number of heartbeats per minute. 'Puls' is very common in everyday language and can also mean the beating you can feel in an artery. 'Herzfrequenz' sounds more technical and precise, especially with measuring devices, sports data, or in medical reports. Learners may confuse the words because both are often given as a number. In conversation, people usually say 'Puls'; in technical or medical texts, 'Herzfrequenz' is more common.

Die Uhr zeigt beim Laufen die Herzfrequenz in Schlägen pro Minute an.
The watch shows the heart rate in beats per minute while running.
Nach dem Treppensteigen kontrolliert Ali seinen Puls am Handgelenk.
After climbing the stairs, Ali checks his pulse at his wrist.