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General

hr

What does hr mean?

The number of heartbeats per minute; a core vital sign.

"HR is 140 and irregular."

Origin

Initialism of 'heart rate.'

Frequently asked questions

What does HR mean in a medical context?
HR stands for heart rate, the number of heartbeats per minute, and is a core vital sign.
What is a normal HR?
For a resting adult it is generally about 60 to 100 beats per minute, though context varies.
Does HR always mean heart rate?
In clinical settings HR means heart rate; outside medicine the same letters usually mean human resources.
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Slang definitions: FreeDict original editorial.