A 50-year-old male in a grave condition has been admitted to the intensive care unit. It is known from life history that the patient works in agriculture, and 3 hours ago was engaged into insecticide treatment of crops for control of colorado potato beetle. Condition on admission: acrocyanosis, bronchorrhea, tachypnea, AP- 100/60 mm Hg, Ps- 44/min. What method of efferent therapy would be most appropriate at this stage?