What is a form of asphyxia resulting from external pressure on the neck?

Strangulation is a form of asphyxia caused by external pressure on the neck, leading to the restriction of airflow. This pressure can impede blood flow to the brain and limit oxygen supply, which can quickly result in loss of consciousness or death if not resolved. The mechanism involves something, such as a ligature or hands, compressing the neck and often affects both the airway and blood vessels like the carotid arteries and jugular veins.

In contrast, suffocation generally refers to a lack of oxygen due to an obstruction in the airway from inside the body or the environment, rather than direct external pressure. Choking is specifically associated with an object blocking the airway. Breath-holding involves voluntarily preventing oneself from breathing and is not directly linked to external physical pressure. Understanding the difference between these terms helps clarify the specific nature of injuries and conditions in law enforcement and emergency response situations.