cardiac rhythm
heart rhythm

They beat in him like the rhythm of his own heart.

They worked on her for almost an hour, and managed to get a heart rhythm back.

This test can check for problems with your heart rhythm.

He could hear the rhythm of her heart in his ears.

He was also given a drug used to stop dangerous heart rhythms.

After this treatment, about 9 out of 10 people get back into a normal heart rhythm right away.

His words did weird things to the rhythm of her heart.

I would rather use only medicine to lower my chance of a deadly heart rhythm.

You may have peace of mind that a dangerous heart rhythm could be fixed right away.

It's now become a very broad theory that's been used to study everything from the stock market to heart rhythms.