How to tell if someone is drowning | Popular Science

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It’s surprisingly hard to tell if someone’s drowning, so we made you a guide

What to look for—and what to do about it.

By Whitson Gordon

Updated

Jun 29, 2021 1:12 PM EDT

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The water can be dangerous.

mihtiander / Depositphotos

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A refreshing dip is the best way to beat the heat. But the water can be dangerous—particularly for youngsters who don’t know how to swim. For children ages 1 to 14, drowning is the second most common cause of death from unintentional injury. And for every kid who dies from drowning, five more survive but require emergency care.

One reason drowning is so deadly: It doesn’t look that bad. When movies and television shows portray someone going under, they may show the victim calling for help or splashing heavily. But in reality, there’s a good chance you wouldn’t be able to tell a drowning child from one playing in the water. So before you head to the pool this summer, familiarize yourself with drowning, and what you can do to prevent it.

The real signs of drowning

You may have seen videos like this going around social media, but if you haven’t, watch the following clip and see if you can spot the victim before the lifeguard does.

Wavepool Lifeguard Rescue 50 – Spot the Drowning!

Kind of like playing a moving game of Where’s Waldo, isn’t it?

"People have certain expectations about what a drowning person is going to do, and people’s expectations are inaccurate," says Francesco Pia, Ph.D., a drowning prevention researcher and educator. "They think when a person is drowning, they’ll be able to call out for help and wave their arms. People have this information formed after watching movies where they see the Hollywood rendition of a drowning person."

In reality, drowning is rather silent. By the time a person begins to drown, they can no longer speak at all. Their mouth is sinking below the water, reappearing just long enough to gasp in a breath before going down again. As they bob up and down, they won’t thrash or wave. Instead, they will hold their arms out to the side or front trying to “paddle” back to the surface.

[Related: Swimming pools are full of poop, but they probably won’t make you sick]

This process is shockingly quick—about 20 seconds for young children and 60 seconds for adolescents—meaning you have only a few moments to realize it’s happening before they sink under the water entirely.

Sometimes, drowning can occur during a momentary lapse in supervision, while a parent looks away for five minutes before realizing the child is missing. But Pia says that, in many cases, “Children are surrounded by people who are looking at them but don’t realize that the drowning is taking place. They mistakenly believe that the person is playing in the water.”

There’s a whole YouTube channel of these videos. Try watching them to familiarize yourself with the signs of struggle before you jump in the pool.

How to prevent drowning before it happens

Recognizing the signs is only half the battle. Because the process is so quick and quiet, you must keep a very close eye on children.

Most guardians probably aren’t supervising closely enough, says Pia, especially if a lifeguard is on duty. “The lifeguards have a responsibility for everyone in the pool,” he says, but “a parent can look at their child and only their child.” It’s best to think of the lifeguard as a redundant backup system, he recommends, while the person supervising the child acts as the first line of defense.

Furthermore, Pia says to stay close and attentive, particularly for younger children. “The best technique for parents to use is called ‘touch supervision’ or ‘reach supervision,’” Pia says. Whenever a child is in the water, an adult can be on the deck or in the pool, but he or she must stay within arm’s reach. They must also remain attentive. That means, Pia says, “Parents can’t be on the lounge chair on their laptops or cell phones. They don’t get a second chance—if they don’t recognize the drowning struggle and intervene, bad things start to happen right away.”

The big bad thing you want to avoid is having the victim’s heart stop. If this happens, you’ll have many more obstacles to overcome than you...