Doctors may now see the hidden signs of sudden cardiac death

Each year, roughly 2% to 5% of the population is affected by mitral valve prolapse (MVP) and mitral regurgitation (MR). These conditions can affect the heart's rhythm and have been linked to sudden cardiac death, particularly in advanced stages of the disease, through the development of abnormal electrical activity. MVP causes the valve to bend backward as the heart contracts, while MR affects the valve's ability to close fully, leading to blood leaking backward.

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