Suffocation is a pronounced lack of air, an extreme manifestation of shortness of breath, accompanied by a feeling of fear of death. It is caused by diseases of the respiratory tract, cardiovascular pathology, chest injuries and other conditions. Asphyxiation is diagnosed on the basis of clinical data, its causes are established using radiation diagnostics, functional examination, and endoscopy. When providing emergency care, it is necessary to ensure adequate ventilation of the respiratory tract. Further treatment depends on the cause of this condition.