Pregnancy decreases MAC __ % at term - ANS- 40
Decreased MAC is mostly likely because of what 2 hormones - ANS- ^ progesterone
^ B-endorphin
Pregnancy causes a ___ sensitivity to LA - ANS- Enhanced
Pregnancy causes epidural venous ___ - ANS- Engorgement
Pregnancy causes __ CSF - ANS- Decreased
Pregnancy causes epidural venous engorgement and decreased CSF which ___ Cephalad spread of LA -
ANS- Increased
1st stage of labor pain is ___in nature - ANS- Visceral
1st stage of labor pain occurs from what 2 things - ANS- - uterine contractions
- cervical dilation
1st stage of labor pain travels to __ -___ spinal segments - ANS- T10-L1
1st stage of labor pain travels via sympathetic __ and ___ fibers - ANS- - A-delta
- C fibers
,2nd stage of labor ___ of infant - ANS- Delivery
2nd stage of labor pain is __ in nature - ANS- Somatic
2nd stage of labor pain results from stretching of the __ & ___ - ANS- - Vagina
- perineum
2nd stage of labor pain travels to __-___ spinal segments - ANS- S2-S4
2nd stage of labor pain travels via the __ nerve - ANS- Pudendal
Somatic pain is described as ___ - ANS- Sharp
Visceral pain is described as___ - ANS- Dull
psychoprophylaxis is what - ANS- Natural/ Lamaze childbirth
TENS for labor pain - ANS- Gate theory
Etonox is what mixture - ANS- 50/50 N2O/O2
Etonox side effects (4) - ANS- - dizziness
- N/V
- dysphoria
,- lack of cooperation
Etonox appears to have no hepatic
, renal, cardiac, or pulmonary impact T/F - ANS- True
Opioids readily cross __ ___ - ANS- Placental barrier
disadvantageS of IV analgesia during labor
- inadequate ___ ___
- fetal and maternal ___ ___
- __/___
- decreased ___ tone - ANS- - pain relief
- respiratory depression
- N/V
- decreased LES tone
Demerol assist with labor __ - ANS- Shivering
___ after demoral use remains in neonates for several days - ANS- Normeperidine
Fentanyl causes maternal respiratory depression outlast ___ - ANS- Analgesia
___ is rarely utilized IV for laboring mom because of long duration, maternal sedation and fetal
depression - ANS- Morphine
___ pain med IV can be utilized in labor as PCA, has rapid metabolism, less satisfaction when compared
, with epidural - ANS- Remifentanil
Higher doses of butorphanol and nalbuphine do not result in ___ ___ - ANS- Respiratory depression
10 mg of morphine is = to ___ mg of butorphanol - ANS- 10
Avoid what people when giving butorphanol or nalbuphine - ANS- Opioid dependent pts
paracervical plexus block is for the ___ stage of labor - ANS- 1st
paracervical block is associated with high rate of fetal ___ because of the close proximity of injection site
to uterine artery - ANS- Bradycardia
Pudendal nerve block is perineal anesthesia for ___ stage of labor - ANS- 2nd
pudental nerve block risk (3) - ANS- - Iv injection
- hematoma
- abscess
Epidural. Test dose __ mL of 1.5% lidocaine with epi 1:200K - ANS- 3mL = 45 mg lido with 15 mcg of epi
How long do you wait after test dose - ANS- 3-5 min
Epidural initial bolus dose ___—___ lidocaine 1% or ropivacaine 0.2% +/- ___ fent - ANS- 6-8 mL
100mcg