What is when drowning is the suspected cause of cardiac arrest what should the responder do first?

When drowning is the suspected cause of cardiac arrest, the first thing the responder should do is perform CPR immediately. CPR should be started as soon as possible to help maintain blood flow and oxygen to the brain, which is crucial in increasing the victim's chances of survival. It is important to continue CPR until professional medical help arrives and takes over the situation.

Additionally, it is important to make sure the victim is removed from the water and placed on a flat and firm surface before starting CPR. It is also important to ensure that emergency services have been called and provide them with the necessary information about the situation and the victim's condition. If an automated external defibrillator (AED) is available, it should be used as soon as possible to help restore the heart's normal rhythm.

In summary, when drowning is suspected as the cause of cardiac arrest, the responder should immediately start CPR, make sure the victim is on a flat surface, call for emergency medical help, and use an AED if available.