"I did CPR on my mom's elderly dog who had a severe seizure. Stopped breathing, blue tongue. She made it!" one user said.

"And what to do is so easy." Andersen wants everyone to learn hands-only CPR. "Everyone should know how to save a life. Everyone can save a life," she says. "You don't have to be certified.

THIS MONTH IS FOCUSED ON CPR AND THE PROPER WAY TO ADMINISTER IT ... WHAT SHOULD I DO? YOU LOCK YOUR HANDS, PUT THE HEEL OF YOUR HAND IN THE CENTER OF THE CHEST, KEEP YOUR ARMS LOCKED AND YOU ...