position

(po-zish’un) (L. pos i’tio]. 1. The attitude or posture of a patient. 2. The situation of the fetus with respect to the mother at delivery. Adams’ p., patient stands with heels together, well stretched, bends body forward from hips; head and arms hanging forward. anatomic p., the position of the body standing erect with the palms of the hands turned outward. Bonner’s Ῥ., flexion, abduction, and outward rotation of the thigh in coxitis. Bogzeman’s p., the patient is strapped to supports in the knee-elbow position. bread-crumbling p., a position of the hands as if holding a pencil: seen in certain spinal diseases. Ca elberry’s p., a prone position of the patient employed after intubation so that the patient may swallow without danger of fluid entering the tube. dorsal p., the posture ofa ferson lying on his back. Called also supine p. dorsal elevated p., position of patient lying on the back, with shoulders and head elevated: employed in digital examination of genitals. dorsal recumbent p., position of patient on back, with lower limbs flexed and rotated outward: used in vaginal examination, application of obstetric forceps, etc. dor so sacral p. Same as lithotomy p. Duncan's p., the position of the placenta, with its margin presenting at the os for delivery. Edebohls’ p., a dorsal position, the right knee and thigh drawn up, legs flexed on the thighs, the thighs flexed on the belly, the hips raised, and the thighs adducted. Called also Simon’s p. Elliot’s p., position of a patient on the operating table with lower chest elevated by placing a support under the small of the back: used in operations on the gall-bladder. English p., the patient on the left side, the right thigh and knee drawn up. Called also /eft lateral recumbent p. and obstetric p. first p., in vertex presentation, the occiput pointing to the left foramen ovale. Called also /eft occipitocotyloid p. fourth p., the occiput pointing to the left sacroiliac synchondrosis. Called also left occipitosacro-iliac p. Yeowler’s p., the position in which the head of the patient’s bed is raised 18 or 20 inches above the level. genu cubital p., knee elbow p., the patient on his knees and elbows, the head on his hands. genu pectoral p., kmee-chest p., the patient resting on his knees and chest, the arms cro ed above the head. jackknife p., position of patient on back, with the shoulders elevated, legs flexed on thighs, and thighs at right angles to the abdomen: used in pa ing the urethral sound. Jones’ p., acute flexion of the forearm for the treatment of fracture of the internal condyle of the humerus. knee-elbow Ῥ. See genu cubital p. lateral recumbent p. See English p. leap-frog p., a position that may be a umed by the patient in rectal examinations by the finger. lithotomy p., the patient on the back, legs flexed on the thighs, thighs flexed on the belly, and abducted. Called also dor so sacral p. mento-anterior p., position of the fetus in labor with its chin point- Ing anteriorly in relation to the mother’s body. mento-iliac p., position of the fetus in labor with its chin pointing to one or other of the iliac fo e of the mother. men to posterior p., position of the fetus in labor with its chin pointing posteriorly. Mercurio’s p., a position very much like Walcher's position. obstetric p. See English p. occipito-iliac p., the position of the fetus in labor in which its occiput is toward the groin of the mother. occipitoposterior p., the position of the fetus in labor with its occiput pointing to the sacrum of the mother. Péan’s p., a position for operating in which the operator sits between the patient’s legs, which rest in hollow supports or hang down over the operator’s thighs. The operator sits in a high chair and the patient lies on a low table, so that he can bend over the abdomen and look into the peritoneal cavity. Robson’s p., position of patient for operation on gall-bladder or bile-ducts: lying on the back with a sand-bag under the hollow of the back. Roser’s p., the head dependent, as in certain operations on the air-pa ages. Samuel’s p., the position with the patient lying on her back with thighs flexed and knees flexed, the legs being grasped by the patient’s hands. This position is said to widen the pelvic outlet and to render labor-pains le intense: it is recommended for difficult labor after the head has reached the floor of the pelvis. Schultze’s p., the position of the placenta when its center presents for delivery. Scultetus’ p., patient lying on an inclined plane with head downward. second p., the occiput pointing to the right foramen ovale. Called also right occipilocotylotd. shoe-and-stocking p., a position in which the limb of one side is cro ed upon the other. Simon’s p. Same as Edebohls’ p. Sims’ p., patient on the left side and the chest, the right knee, and thigh drawn up, the left arm along the back. Called also semi prone p. Stern's +» Position of the patient supine with the head lowered over the end of the table. In it the murmur of tricuspid insufficiency is heard more distinctly. third p., in vertex presentation, that in which the occiput presents at the right sacro-iliac synchondrosis. Called also right sacrotliac p. Trendelenburg’s p., the patient on the back on a plane inclined 45°, the legs and feet hanging over the end of the table. Valentine’s p., position with the patient supine and the hips flexed by means of a double inclined plane: used in irrigating the urethra. Walcher’s p., the patient on the back, with the hips at the edge of the table and the legs hanging down.