Greene said intense emotional situations like domestic abuse or even natural disasters like earthquakes can also trigger SCA.
"It’s like a really severe situation," Greene said. "More women than men have it and post menopausal women have a higher risk."
According to the Heart Rhythm Society, 95 percent of the victims who experience SCA die before they can reach a hospital or medical attention. The society also says that SCA is a leading cause of death with more than 350,000 deaths each year.
Greene said no one knows what causes SCA, but it is more common than people may realize.
Both doctors recommend that people quit smoking, exercise more, avoid excessive alcohol and eat a healthy diet to reduce their chances of experiencing a SCA.
"Those are the major things you can do," Greene said.
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Are you at risk? According to the Heart Rhythm Society, a sudden cardiac arrest (SCA) can occur without any symptoms to people of all ages and health conditions. The organization offers a free online test to help people determine their risk of experiencing SCA. All findings from this online tool should be discussed with your physician. The assessment can be found at www.scarisk.org. Source: Heart Rhythm Society