Person Has Inhaled More Water Than Recommended
Submersion extraction, hypoxic resuscitation with 5 initial rescue breaths, and post-drowning pulmonary monitoring
// IMMEDIATE ACTIONS
Execute these steps in order:
- 01 RESCUE SAFELY FROM WATER
Reach with a pole or throw a flotation device; keep victim’s airway clear during extraction.
- 02 ASSESS BREATHING (10 SEC MAX)
Tilt head and lift chin. If breathing is absent or agonal, call 911/112 immediately.
- 03 START HYPOXIC CPR PROTOCOL WITH 5 RESCUE BREATHS
Drowning causes primary hypoxic cardiac arrest:
- ├─ Deliver 5 initial rescue breaths to oxygenate lungs.
- └─ Follow with cycles of 30 chest compressions and 2 rescue breaths (30:2).
- 04 RECOVERY POSITION & REWARMING FOR BREATHING VICTIMS
If breathing, place in recovery position, remove wet clothes, wrap warmly, and transport to hospital (danger of secondary pulmonary edema).
// CRITICAL MISTAKES (DO NOT)
- ✕ Do not attempt abdominal thrustsWHY: Heimlich maneuver) or postural drainage to "drain water from the lungs" (alveolar water is rapidly absorbed into the bloodstream; abdominal thrusts induce massive gastric regurgitation and fatal vomit aspiration
- ✕ Do not skip the initial 5 rescue breathsWHY: drowning victims have completely depleted pulmonary oxygen reserves; compressions alone circulate deoxygenated blood and fail to restore cerebral oxygenation
- ✕ Do not let a conscious drowning victim go home without hospital evaluationWHY: inhaled water destroys pulmonary surfactant, causing delayed life-threatening acute pulmonary edema up to 24 to 72 hours later
- ✕ Do not enter dangerous water without a flotation aidWHY: panicking drowning victims exert immense desperate downward force, regularly drowning their would-be rescuers
“Call 911/112, start resuscitation with 5 initial rescue breaths, alternate 30 compressions with 2 breaths, and seek emergency evaluation for all submersions.”
Human gas exchange requires dry alveolar membranes capable of diffusing atmospheric oxygen across a microscopic epithelial barrier into pulmonary capillaries. Liquid water in the respiratory tract violently disrupts this delicate architecture.
When a person's airway submerges, involuntary laryngeal spasms temporarily prevent water ingress, but progressive hypoxia and hypercapnia eventually trigger an overwhelming involuntary inspiratory gasp. Inhaled water washes out pulmonary surfactant (the phospholipid coating that prevents alveoli from collapsing), flooding the lung parenchyma and precipitating acute asphyxiation.
Why Drowning Resuscitation Differs from Standard CPR
In sudden cardiac arrest occurring on dry land (such as a heart attack), the victim's lungs and arterial blood remain saturated with residual oxygen for several minutes. Therefore, adult lay-responder CPR prioritizes immediate chest compressions.
In drowning, the physiological mechanism is reversed: The heart stopped pumping purely because the entire respiratory reservoir was starved of oxygen (primary hypoxic cardiac arrest). Delivering compressions without oxygen simply pumps deoxygenated blood through collapsed, hypoxic cerebral vasculature.
For this reason, international resuscitation guidelines (ERC and ILCOR) mandate that resuscitation for drowning must begin with 5 initial rescue breaths to restore oxygen tension in the alveolar spaces before commencing the standard 30:2 compression-ventilation cycle.
The Lethal Fallacy of "Draining the Lungs"
A dangerous myth propagated by vintage media is holding a drowning victim upside down or performing violent abdominal thrusts to pump water out of the stomach.
Inhaled fresh or salt water is rapidly absorbed across alveolar membranes directly into the central circulation within minutes. What remains in the stomach is swallowed water mixed with acidic gastric contents. Performing abdominal thrusts triggers massive regurgitation of gastric acid directly into the pharynx, contaminating the airway and causing catastrophic chemical aspiration pneumonitis.
Delayed Complications of Non-Fatal Drowning
Even when a submerged victim is rescued rapidly, coughs up water, and appears fully conscious and alert on the beach, the medical emergency is not over. Inhaled water damages the alveolar-capillary membrane, triggering progressive inflammation, surfactant destruction, and non-cardiogenic pulmonary edema (Acute Respiratory Distress Syndrome, ARDS). The victim may develop severe, life-threatening hypoxia, fluid accumulation in the lungs, and respiratory failure hours after the incident. Hospital monitoring is non-negotiable.
112 reaches fire and emergency medical dispatch directly. 110 is police.
Additional safety instructions and adjacent hazard knowledge.