If the upper airway is obstructed by a foreign body or extensive trauma, and ventilation cannot be achieved by other means, a surgical approach to the trachea is necessary. In such cases a cricothyrotomy is performed. This is an emergency procedure performed to prevent the death of a person. The video shows how it's done.

If the upper airway is obstructed by a foreign body or extensive trauma, and ventilation cannot be achieved by other means, a surgical approach to the trachea is necessary. In such cases a cricothyrotomy is performed. This is an emergency procedure performed to prevent the death of a person. The video shows how it's done.