Zombies teach CPR in creepy public service announcement

Do you know how to perform CPR in a life-saving situation? If not, the Heart and Stroke Foundation of Canada is here to help - if it doesn't scare you to death first.

In a new public service announcement, the foundation offers a Halloween-themed take on the lifesaving procedure, and who better to teach how to save a person dying from cardiac arrest than the undead.

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In the U.S., nearly 383,000 out-of-hospital cases of sudden cardiac arrests occur each year, according to the American Heart Association, mostly at home. Effective CPR from a bystander can double or triple a victim's chances of survival.

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Nightmares Fear Factory: Faces of fear at haunted house

Watch how zombies "save" one woman going into cardiac arrest in the clip, called "The Undeading." But if that's too scary, you can always learn from a gangster how to perform the procedure to a hit 1970s disco song.