Medical Research

Peak time of day for cardiac arrest has changed — stress may be to blame

Peak time of day for cardiac arrest has changed — stress may be to blame

Weekday mornings are no longer the most common time for cardiac arrest, as an ever stressful world means hearts are stopping suddenly at all times of the day, new research shows.

"While there are likely several reasons to explain why more cardiac arrests happen outside of previously identified peak times, stress is likely a major factor," said lead investigator Dr. Sumeet Chugh. He is associate director of the Smidt Heart Institute at Cedars-Sinai Medical Center in Los Angeles.

"We now live in a fast-paced, ’always-on’ era that causes increased psycho-social stress and, possibly, an increase in the likelihood of sudden cardiac arrest," Chugh said in a...

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