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fertility medicine combines what to achieve and maintain pregnancy?
gynecology and endocrinology
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size and shape of uterus
3 inches long and 2 inches deep
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what does uterus do?
houses and protects the fetus during pregnancy
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what is uterus composed of?
- thick muscular tissue
- suspended by ligaments that completely enclose the organ
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superior portion of the uterus
fundus
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middle portion of uterus
body
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lower portion of uterus
cervix
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lines the uterus and changes under hormonal influence and with pregnancy
endometrium
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thick muscular layer that is continuous with the muscles of the vagina and fallopian tubes
myometrium
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outer serous layer of the uterus
perimetrium
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which uterine layer contracts during childbirth and menses?
myometrium
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pouch formed by reflection of abdominal peritoneum over bladder
cul-de-sac
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fold of peritoneum over bladder
bladder flap
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ligaments that suspend uterus from pelvic wall
broad ligaments
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ligaments that lie above the broad ligaments near the fallopian tubes that help suspend uterus anteriorly
round ligaments
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ligaments that lie below broad ligaments and provide primary support for uterus
cardinal ligaments
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ligaments that curve along bottom of the uterus and attach it to the sacrum
uterosacral ligaments
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how many sections do fallopian tubes have?
4
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section of fallopian tubes that connects to the uterus
interstitial section
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midportion section of fallopian tubes
isthmus
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widened portion of fallopian tube
ampulla
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terminal end of fallopian tube
infundibulum
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small projections that extend from the end of fallopian tube that direct ovum toward infundibulum during ovulation
fimbriae
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ligament that suspends fallopian tube from upper margin of pelvis
infundibulopelvic ligament
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secrete female hormones
ovaries
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peritoneal tissue that suspends ovaries - attached to uterus by ovarian ligaments
mesovarium
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how many eggs do ovaries contain?
approximately 1 million
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fibrous outer layer of ovary - contains follicles that hold ova
cortex
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inner core of ovary composed of connective and vascular tissue
medulla
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development and release of ova are influenced by what?
pituitary gland
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what hormones does pituitary gland stimulate?
LH and FSH
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recessed areas around cervix
fornices
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incision of the perineum during the second stage of labor to prevent tearing
episiotomy
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hormonal and physical changes that occur regularly from the onset of menarche until menopause
ovarian cycle
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what is ovarian cycle controlled by?
complex feedback system involving hormones of pituitary, hypothalamus, and ovaries
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phases of ovarian cycle
- follicular phase
- ovulatory phase
- luteal phase
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follicular phase
- this phase lasts from day 1 to day 14
- levels of FSH and LH rise
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ovulatory phase
- begins approximately 14 days from start of cycle and lasts from 16 to 32 hours
- estrogen level falls
- progesterone is secreted by follicle and causes by release of ovum
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luteal phase
- begins approximately on day 16 and lasts approximately 12 days
- corpus luteum secretes estrogen and progesterone, which changes endometrium
- FSH and LH levels fall, CL regresses and endometrial lining shed
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medical assessment for procedures is derived from?
- menstrual history
- obstetrical history
- use of contraceptives
- history of previous infection
- signs and symptoms
- current medications and allergies
- family history
- social history
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excessive bleeding during menstruation
menorrhagia
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painful intercourse
dyspareunia
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most common type of vulvar cancer
squamous cell carcinoma
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most common and easily treated cancer of reproductive tract with early diagnosis
- cervical cancer
- detection done with Pap smear and culposcopy
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cancer associated with obesity and high levels of circulating estrogen
endometrial cancer
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condition in which endometrial tissue develops anywhere outside uterus
endometriosis
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benign neoplasm arising from the uterine smooth muscle tissue and attached to the uterine body
- leiomyoma
- also called fibroid tumor
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herniation of rectum
rectocele
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herniation of bladder
cystocele
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uterus bulging into vagina resulting from weakness and stretching of the cardinal ligaments
uterine prolapse
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what is injected into the uterine cavity during a sonohysterography?
normal saline, lactated Ringer solution, or 1.5% glycine
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what is injected into the fallopian tubes and uterus for hysterosalpingography?
radiological contrast medium
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what type of cells are tested for cervical cancer?
epithelial cells
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Pap smear procedure
epithelial cells are collected from the internal cervical os with a delicate plastic "brush," which is then swirled in prep solution
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microscopic examination and biopsy of the cervix
colposcopy
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what happens during a colposcopy?
the cervix is painted with acetic acid, which causes preinvasive cells to appear white, which are biopsied with forceps
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what is treated with cone biopsy?
- epithelial carcinoma of cervix
- severe dysplasia
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what does a cone biopsy involve?
removal of a circumferential core of tissue around the cervical canal
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procedure in which conization is performed using a local anesthetic and electrosurgical loop filament
LEEP (loop electrosurgical excision procedure)
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what happens during hysteroscopy?
- semirigid or rigid hysteroscope is used to examine the interior of the uterus and to perform selected operative procedures
- uterus is filled with a clear fluid to increase visibility
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most GYN procedures are performed with the patient in what positions?
supine or lithotomy
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critical safety considerations for lithotomy position
- protect the patient's modesty and dignity at all times
- all patients wear antiembolism stockings or sequestial pressure device
- raise both legs simultaneously and slowly by 2 people
- make sure hips are slightly externally rotated
- raise or lower legs only after ACP advised it is safe
- make sure hands are not near table break
- lower legs simultaneously and slowly
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during open abdominal procedures, where does a right-handed surgeon stand?
at the patient's left side
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during laparoscopic procedures, how is patient positioned?
low lithotomy position with one assistant positioned at the foot of the table
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how is pregnant patient positioned during a laparoscopic procedure?
modified left lateral position to prevent hypotension from pressure on the vena cava by the fetus
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combined abdominal/vaginal procedure prepping
- perineal prep is performed first
- always prepare 2 sites sequentially, not simultaneously
- separate prep kit and gloves required for each site
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instruments used for procedures of fallopian tubes
- atraumatic graspers and delicate dissecting instruments
- bipolar electrosurgical unit (rather than monopolar)
- microinstruments used to anastomose the tubes
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instruments used for fibrous ligaments
require tight, strong clamps that do not slip
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instruments used for uterus
heavy dissecting scissors and toothed or grooved clamps for resection
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laparoscopic instruments
- specialized for reproductive structures
- Babcock or other atraumatic forceps
- Harmonic shears
- monopolar hook dissector
- graspers
- vessel-sealing system
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open GYN procedure instruments
genearl surgery setup with uterine clamps, plus additional atraumatic clamps, long instruments, Harmonic shears and high-frequency vessel-sealing system
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transvaginal pelvic procedure instruments
vaginal speculums and long instruments including uterine clamps and heavy dissecting scissors
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transcervical procedure instruments
graduated cervical dilators, uterine sounds, forceps, sharp and smooth curettes, ample supply of sponges
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what is used during colposcopy for staining the cervix during the Schiller test?
Lugol solution
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drug that causes constriction of blood vessels when injected
vasopressin (Pitressin)
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what drug is used in emergency cardiac response and may be injected into the uterus during hysterectomy or into a benign uterine tumor to prevent bleeding?
vasopressin (Pitressin)
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what drug is administered after delivery of the fetus and placenta to prevent postpartum hemorrhage?
oxytocin (Pitocin)
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what drug is an ergot alkaline administered after abortion to enhance uterine contractions and control uterine bleeding?
methylergonovine (Methergine)
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type of sutures used for uterine ligaments and vessels
absorbable synthetic 0 to 2-0 Vicryl taper needle
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type of sutures used for bladder reflection
absorbable synthetic 2-0 to 3-0 small taper needle
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type of sutures for ovary
absorbable synthetic 3-0 to 4-0 small taper needle
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type of sutures for fallopian tube repair/anastomosis
inert monofilament or braided 5-0 to 7-0
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type of sutures for vaginal vault
absorbable synthetic 2-0 to 3-0 medium curved needle
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type of sutures for plastic procedures of vulva
Nylon, Prolene or other monofilament, 3-0, 4-0; 3/8 cutting needle
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during laparoscopic pelvic surgery, when is the uterine manipulator passed through the cervical os?
after complete abdominal and vaginal prep, and immediately before surgery
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what is maryland dissector used for?
blunt dissection
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what body parts are prepped for laparoscopy?
abdomen, perineum and vagina
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what is often performed in conjunction with a laparoscopy?
D&C
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laparoscopic procedure
- surgeon elevates abdominal wall by inserting 2 sharp towel clips on either side of umbilicus lifting wall away from retroperitoneal vessels
- nick is made in periumbilical region with scalpel
- Veress needle inserted into periumbilical incision
- saline injected into needle port
- negative pressure pulls saline into abdomen
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what are patients observed for postoperatively after laparoscopy?
- signs of embolism, infarct, and hemorrhage
- patients experience shoulder pain for several days postop (referred pain from diaphragm)
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first procedure to be performed with laparoscope
tubal ligation
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3 methods of tubal ligation
- transection and coagulation
- fallope ring
- filshie clip
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transection and coagulation method
- fallopian tube grasped with Babcock forceps
- HF bipolar unit severs tube and coagulates free ends
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fallope ring method
- surgeon inserts ring applicator through trocar and withdraws loop of fallopian tube into applicator
- Silastic ring is ejected over the loop which is then released back into pelvis
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how does fallope ring work?
causes local ischemia and eventual necrosis of loop of tissue
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filshie clip method
- filshie applicator is inserted through single port
- clip applied over fallopian tube and clamped
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pomeroy technique
- through minilaparotomy incision or after cesarean section
- fallopian tube severed and ligated
- stump buried in uterine serosa with absorbable sutures
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why is exploratory laparoscopy performed?
to confirm pathology of ovarian mass
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removal of ovary
oophorectomy
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removal of ovarian cyst
ovarian cystectomy
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ovarian tumor that arises from one of the germ layers of developing embryo
teratoma (dermoid cyst)
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pelvic washing
- 50 mL to 100 mL of normal saline introduced into abdomen
- fluid is then aspirated and retained as a specimen
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how does surgeon remove a cyst?
- incises cortex without rupturing with fine scissors or ESU pencil
- cortex is removed using blunt dissection
- atraumatic grasper may be used to facilitate removal
- suction-irrigator may be used to separate cyst from cortex
- bipolar ESU controls bleeders
- specimen placed in specimen retrieval bag and delivered through 10-mm trocar port
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how is cyst removed if it is too large for retraction?
can be reduced with a morcellator and the pieces can be brought out through bag opening
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how is a teratoma removed?
intact by sharp dissection
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what frequently occurs as a result of an infection that spreads from lower genital tract to uterus, fallopian tubes and ovaries?
obstruction of the fallopian tube
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causal organism of PID?
usually Chlamydia trachomatis or Neisseria gonorrhoeae
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what is instilled transcervically to establish patency of the fallopian tube during tubal anastomosis?
indigo carmine or methylene blue dye
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what types of sutures are used for tubal anastomosis?
Nylon or polypropylene 8-0 or 9-0 suture with a tapered needle
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removal of uterus by a combined laparoscopic and vaginal approach
- laparoscopic-assisted vaginal hysterectomy
- most common approach to hysterectomy
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why is LAVH approach performed?
- benign tumors
- endometriosis
- early stage uterine malignancy
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procedure in which uterus and cervix is surgically removed through pelvic incision
total abdominal hysterectomy
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patient position for TAH
supine position
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dissection and wide removal of uterus, tubes, ovaries, supporting ligaments, upper vagina, and pelvic lymph node chains
radical hysterectomy
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why is radical hysterectomy performed?
to treat pelvic malignancy
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most common type of cancer in female reproductive tract
endometrial cancer
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excess proliferation of tissue
hyperplasia
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primary symptom of endometrial cancer
painless bleeding
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how is a diagnosis of endometrial cancer made?
by D&C
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radical hysterectomy instruments
long dissecting instruments (right-angle clamps, long Metzenbaum scissors, toothed forceps, and long, curved hemostats)
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sutures for radical hysterectomy
size 0 and 2-0 synthetic absorbable material
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what is patient closely monitored for after radical abdominal or pelvic surgery?
- urinary output
- hemorrhage
- infection
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complete removal of rectum, distal sigmoid colon, urinary bladder and distal ureters, and internal iliac vessels and their lateral branches
pelvic exenteration
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why is pelvic exenteration performed?
to treat metastatic cancer
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why is operative hysteroscopy indicated?
intrauterine pathology, such as polyps, leiomyoma, adhesions, and septal defects of the uterus
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what is done to obtain a clear view of the uterine wall for hysteroscopy?
uterine cavity is distended with fluid
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what type of fluid is used to distend bladder for hysteroscopy?
isotonic solution such as normal saline
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what happens if electrolytic solutions are used with the monopolar circuit?
electricity would be dispersed throughout the fluid and might cause patient burns
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low serum sodium level
hyponatremia
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hysteroscope
rigid or semirigid
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what does a rigid scope incorporate?
12- to 30-degree angled lens at the distal tip
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how is the hysteroscope used?
it is inserted into the uterus with the sheath in place
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what kind of light source is included on hysteroscope equipment?
fiberoptic light cable and xenon light source
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what is a uterine resectoscope used for?
to remove polyps, subcutaneous leiomyomas, and uterine adhesions
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destruction and scarification of the endometrium to render it nonfunctional
endometrial ablation
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3 common ablation methods
- rollerball ablation
- global
- intrauterine device
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variety of global ablation methods
- NovaSure - radiofrequency energy - automatically stops when dangerous
- ThermaChoice UBT - silicone balloon catheter that distends adn begins a warming cycle up to 188.6 F (87 C) (takes 8 min)
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