Definition of "cardiac rhythm" []

• The rhythm of a beating heart (noun)

WordNet. Princeton University. 2010.

• "Mr. S. was found to be in ventricular fibrillation, a frequently lethal cardiac rhythm in which the heart is unable to supply the brain with blood."
• "Antipsychotics prescribed today seem to have far fewer movement disorders associated with them but carry their own risks, including weight gain, cardiac rhythm changes, and abnormalities in sugar and lipid metabolism."