What is Asphyxia- Its main causes and mechanism

What is Asphyxia- Its main causes and mechanism

It is deficiency of oxygen and increase in carbon dioxide in the blood and tissues. It occurs due to a failure of exchange of oxygen and carbon dioxide between the air and pulmonary capillaries.

Various causes are as follows:

Mechanism                  causes

Airway obstruction–foreign body in the airway causing choking, drowning, suffocation under bed, suffocation due to a plastic bag over the head, strangulation.

Lack of oxygen in the air inspired – fire inhalation of smoke, Gas leaks, inhalation of gas.

 

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