Freezing hearts is not the name of some new pop song, but describes a possible new treatment for abnormal heart rhythms that some advisers are suggesting the FDA approve soon.

A heart condition called atrial flutter could have met its match if the new medical device, made by Cryocor Corp., is approved by the FDA. The device is thread into the heart, where it uses nitrous oxide to freeze heart tissue in seconds or minutes. that freeing directly treats areas responsible for abnormal heart rhythms.

Although the FDA is under no obligation to follow the suggestions of outside advisers, history shows that the federal organization does so most of the time.