A 57-year-old diver has been brought to the surface by fellow divers. He complains of difficulty breathing, dizziness, and severe chest pain. He states that he has a cardiac history and takes nitroglycerin, which is in his belongings nearby. Emergency Medical Responders report the following vital signs: pulse 128 beats/min, respirations 18 breaths/min, blood pressure 88/56 mmHg, and SpO2 93%. After applying supplemental oxygen to the patient, your next action should be to:

The most important treatment for drowning victims is rescue breathing. This should be provided as soon as possible, even before the victim is pulled from the water.  When responding to a drowning victim, EMS should prioritize: Effective ventilation, Oxygenation, and Chest compressions.  If the victim is unconscious but breathing, place them in a recovery position and assess for adequate airway maintenance and ventilation. If the victim is pulseless, immediately begin CPR.  For diving emergencies, you should first establish ABCs, then rinse the wound with clean water and immerse in hot... Show more

The most important treatment for drowning victims is rescue breathing. This should be provided as soon as possible, even before the victim is pulled from the water. 
When responding to a drowning victim, EMS should prioritize: Effective ventilation, Oxygenation, and Chest compressions. 
If the victim is unconscious but breathing, place them in a recovery position and assess for adequate airway maintenance and ventilation. If the victim is pulseless, immediately begin CPR. 
For diving emergencies, you should first establish ABCs, then rinse the wound with clean water and immerse in hot water (110°F-113°F/43.3°C-45°C) for 30 to 90 minutes. Extract obvious pieces of barbs, then conduct pain management as needed. 

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