Drown

Drowning, also known as drowning, is when a person is submerged in water, which fills the respiratory tract and alveoli and causes suffocation; the water absorbed into the blood circulation causes changes in blood osmotic pressure, electrolyte disturbances and tissue damage; and finally causes respiratory arrest and cardiac arrest And death. Those who have asphyxia with cardiac arrest after drowning are called drowning. If the heart is not arrested, they are called near drowning. Inadvertent fall into pits, sinks and chemical tanks can cause skin and mucous membrane damage and systemic poisoning.