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Drowning Prevention and Hydrocution: Expert Tips from an Emergency Doctor for Safe Swimming

Drowning Prevention and Hydrocution: Expert Tips from an Emergency Doctor for Safe SwimmingSummer brings joy by the water, but it also heightens drowning risks. Dr. Antoine André, an emergency physician and SNSM (French Lifeboat Society) referent, shares proven strategies to prevent drowning and hydrocution, plus critical response steps for accidents.

597: This was the number of drowning deaths recorded between June 1 and September 30, 2018, per the 2018 Drowning Survey published in 2020 by Santé Publique France.

The 2021 Drowning Survey—aimed at identifying all drownings handled by organized rescue services leading to hospital treatment or death—ran from June 1er to September 30, 2021, across mainland France and overseas territories.

It's a timely reminder of essential safety practices to avert tragedy.

Drowning prevention: adults and children, all concerned

Just 20 cm of water can drown an unattended child in minutes. Children under 2 lack the reflexes to fight submersion and sink instantly.

In France, drowning is the leading accidental cause of death for children under 15, with 15% of cases yearly involving kids under 6. Early swim lessons are vital, but constant supervision is non-negotiable.

  • At the beach

Upon arrival, check surveillance post forecast boards for weather, currents, and tides. Note the bathing flag color, which may change:

Green flag: Supervised bathing, no major dangers.

Orange flag: Dangerous but supervised swimming.

Red flag: Bathing prohibited.

Parents must vigilantly watch children on the sand, shore, or water—don't rely solely on lifeguards amid crowds. Safe zones aren't foolproof.

Equip non-swimmers with properly sized armbands (CE-marked, NF 13138-1 standard for weight, age). Note: These, like buoys or inflatables, offer no guaranteed protection and can drift.

Adults: Don't overestimate skills. Open-water swims differ vastly from pools. Avoid alcohol or drugs before entering water.

  • At the pool

Public pools have lifeguards, but supervise kids closely, especially on slides.

Private pools require barriers, shelters, covers, or immersion alarms. Remove ladders outside use. Keep poles or lifebuoys handy during swims.

  • In the river

For canoeing, kayaking, or rafting, wear helmets and life jackets under professional supervision. Otherwise, follow beach rules.

I'm drowning, what should I do?

Don't fight currents or waves—save energy. Stay calm; panic worsens it. Float on your back if possible: airways clear, breathe, and signal for help.

What if I see someone drowning?

Don't play hero—sea rescues demand training. Prioritize your safety.

Keep the victim in sight until pros arrive. Once out: Call emergency services. If breathing, use recovery position (PLS) to avoid choking. No breathing? Start CPR: 30 chest compressions + 2 breaths, repeat until help arrives or breathing resumes.

Dry drowning: a rare phenomenon after "drinking the cup"

Rare, mostly in children, it strikes days (up to a week) post-submersion. Water irritates bronchi, flooding lungs, causing oxygen deprivation and potential cardiac arrest.

Warning signs: Cough, shortness of breath, blue lips, irritability, extreme fatigue, chest pain, vomiting.

Seek emergency care if suspected.

What is hydrocution?

Hydrocution (thermal shock) follows sudden cold-water immersion after sun exposure. Extreme temperature gaps constrict vessels, risking unconsciousness (with chills, cramps, vision issues, itching), respiratory arrest, or cardiac arrest—leading to drowning.

Response: Cardiac massage (no mouth-to-mouth unless water ingested).

Avoid prolonged sun; ease in by wetting arms, neck, torso first.

Thanks to Dr. Antoine André, emergency physician and SNSM referent.

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