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Rubin's I and II maneuvers, rotational maneuver to deliver the baby in case of shoulder dystocia. [1]The Rubin's I maneuver is dislodging the anterior shoulder under pubic symphysis by adding suprapubic pressure while in the McRoberts' position.
This maneuver is usually combined with applying suprapubic pressure or Rubin I by having an assistant apply pressure above the pubic bone with the palm or fist, directing the pressure on the anterior shoulder both downward (to below the pubic bone) and laterally (toward the fetus's face or sternum) [11].
McRoberts maneuver (1) in combination with suprapubic pressure (2) The McRoberts maneuver is an obstetrical maneuver used to assist in childbirth.It is named after William A. McRoberts, Jr. [1] It is employed in case of shoulder dystocia during childbirth and involves hyperflexing the mother's legs tightly to her abdomen.
The combined neck flexion, traction on the fetus toward the hip/pelvis, and the suprapubic pressure on the mother/uterus allows for delivery of the head of a breech infant, granted prior breech delivery steps are followed and the infant's occipitus is rotated/facing anteriorly relative to the mother.
The diaphragm or bladder may itself exert a pressure on the water, but it is usually small and will be neglected in the following discussion. Case 1 is an empty tank at the charging pressure P c (gauge). The total volume of the tank is V t. Case 2 is a tank in use, with the air pressure at pressure P (gauge) and a water volume of V
Wood's screw maneuver is practiced in obstetrics when dealing with shoulder dystocia – a condition in which the fetal shoulders cannot easily pass through the vagina.In this maneuver the anterior shoulder is pushed towards the baby's chest, and the posterior shoulder is pushed towards the baby's back, [1] making the baby's head somewhat face the mother's rectum.
supraorbital pressure - this is the manual stimulation of the supraorbital nerve by pressing a thumb into the indentation above the eye, near the nose. [ 2 ] sternal rub - this involves creating a turning pressure (akin to a grinding motion with a pestle and mortar) on the patient's sternum [ 1 ]
Steam can be drawn off as required, either for driving a steam turbine or for process purposes (e.g. in chemical engineering), by opening a steam valve on top of the drum. . The pressure in the drum will fall but the reduced pressure causes more water to boil and the accumulator can go on supplying steam (while gradually reducing pressure and temperature) for some time before it has to be re-char