Irregular Heart Rhythms

Understanding and treating long QT syndrome

DEAR MAYO CLINIC: I recently read that long QT syndrome is quite common. What is it, and how is it diagnosed? I have read that fainting may be one sign of the disorder. Can long QT syndrome be treated?

Jan 04, 2018
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E-cigarette vapor slows heart rate in mice

Electronic nicotine delivery systems (ENDS) such as e-cigarettes, affect heart rhythm and cardiovascular function in mice, according to preliminary research presented at the American Heart Association's Scientific Sessions ...

Nov 13, 2017
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Regular bedtimes stop children getting 'jet lag'

What happens in the early years of a person's life has a profound effect on how they fare later on. Thousands of research papers – many of them using the rich data in the British Birth Cohort studies – have shown that ...

Nov 30, 2017
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