Dying of cardiac arrest while sleeping: What lies behind such deaths?

Cardiologists say such nocturnal deaths could be caused by structural issues of the heart or rare genetic conditions that disrupt the heartbeat. PHOTO: ISTOCKPHOTO
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SINGAPORE - The death of conductor Adrian Tan from cardiac arrest in his sleep at the age of 44 earlier this month has put the spotlight on such deaths.

While the underlying cause of Tan's death has not been reported, cardiologists tell The Straits Times that such nocturnal deaths could be caused by structural issues of the heart or rare genetic conditions that disrupt the heartbeat.

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