FIELD: medicine. SUBSTANCE: method involves introducing needle through relaxed musculus pectoralis major into the fixed musculus pectoralis minor under tension. towards its diameter center at a depth of 0.5 cm vertically downwards at the point of intersection of the muscle and a straight line connecting the middle points of distances between the skin projections of jugular notch of the sternum and the coracoid process of the scapula and anterior edge of the armpit fold. Then drug solution is to be injected into the relaxed muscle. EFFECT: enhanced effectiveness of block; prevented pleural cavity perforation.
