The ambulance has brought in the victim of an accident, who has fallen from a height. This patient has clinical signs of multiple fractures in both legs. The patient’s condition is severe; the patient is conscious, but mentally sluggish; the skin is pale gray; the forehead is covered in a cold sweat. The patient’s breathing is shallow, with respiratory rate of 30/min., blood pressure – 80/60 mm Hg, pulse – 120/min., shallow. What complication has occurred in this person?