obstet maneuvers - pdf Flashcards
retropulsion
means pushing the fetus cranially from the vagina (and the bony pelvic canal) towards the uterus
Alternatively, __ anaesthesia may be induced to prevent the dam ‘straining’
epidural
Extension refers to the extension of flexed joints when ___ defects are present
postural
means the application of force to the pre- senting parts of the fetus in order to supplement, or in some cases to replace, the maternal forces
traction
- As an alternative to snares one may use ___ (E) with handles
Moore’s obstetric chains
T/F In monotocous species (and in sheep or goats with small multiple fetuses), it is possible for per vagina delivery to occur with some slight postural abnormality.
polytocous
Correction of defects of presentation, position and posture can be achieved only by ____ of the fetus.
intrauterine manipulation
___ is the best substitute for allantoic fluid
Sterile water
In the ___ and __, volumes of up to __ litres, instilled into the uterus by gravity using a soft rubber or plastic tube (a stomach tube is satisfactory) and funnel, greatly increase the mobility of the fetus in utero
cow and mare
14
For actual vaginal delivery, a lubricant substitute for the amniotic fluid is required, and this may be in the form of a water-soluble cellulose-based obstetrical lubricant such as ____ is well tried and effective.
soap, particularly soap flakes, or lard
It cannot be stated too often that the best instruments are the ___
clean and gentle hands and arms of the obstetrician
Limb-snares are fixed above the fetlocks, and the head snare may be applied by the ___ method, in which the loop is placed in the mouth and up over the poll and behind the ears
Benesch
For replacement of the laterally deviated head, where the operator’s hand is insufficient, a ___ applied to the mandible is essential
thin rope snare
Average of well-coordinated __person pull is the limit
4
cow at natural calving has tractive effort of __kg
70
tractive force of calving jack
400kg
