A 62-year-old man came to the first-aid post, who after a nervous overstrain an hour ago had an attack of burning chest pain that is not relieved by nitroglycerin. objectively: a state of moderate severity, pale skin, muffled heart sounds, pulse 60 beats / min, pressure 160/100 mm hg. art., respiration rate 22 per min. Questions:1 determine the patient's emergency 2 draw up an algorithm for emergency care and justify each step.​