Set the stage
What spinal nerves innervate the pain in the first stage of labor?
T10- L1 (or L2)
What route is Hemabate administered?
IM
What anesthetic can be self-administered by a parturient in a 50%/50% mixture?
Nitrous Oxide
What impact does pregnancy have on MAC?
Pregnancy reduces MAC
What tocolytic medication is subject to tachyphylaxis?
Terbutaline
What marks the advancement from latent to active stage 1 labor?
rapid cervical change (dilation)
According to the general consensus, what group of patients should Carboprost be avoided in?
Asthmatics
What is the main side effect of inhaled nitrous oxide?
nausea
What is the NPO time for solid food (nonfatty) in the pregnant patient?
6 hours
Pulmonary edema, hypokalemia, and tachycardia are side effects of what class of tocolytics?
Beta agonists
What spinal nerves innervate the pain in the second stage of labor?
S2-S4
What drug given for uterine atony is known to shorten the third stage of labor?
Methergine
What systemic analgesic is generally avoided due to the risk of neonatal depression, prolonged duration, and maternal sedation?
What dermatome level is required to cover the pain of Cesarean section?
T4
What tocolytic can cause oligohydramnios?
Indomethacin
What spinal nerves come together to form the pudendal nerve?
S2-S4
Methergine is known to have what impact on systemic blood pressure?
increase- (hypertension)
When given to the parturient in large doses, what anesthetic can cause neonatal respiratory depression, muscular hypertonicity, and lower apgar scores?
What is the onset time for spinal Bupivacaine?
5-8 minutes
What first toxicity symptom occurs at a 10-12 mg/dl Magnesium plasma level?
loss of deep tendon reflexes
What nerve fibers are primarily responsible for the visceral pain of 1st stage labor?
C fibers
Rapid administration of what drug can cause hypotension, ST changes, and myocardial ischemia.
Oxytocin
What nerve block is useful to reduce pain for dilation and curettage (D&C) and dilation and dilation and evacuation (D&E)
Paracervical
What spinal local anesthetic is avoided in cesarean section due to short duration of action?
Chloroprocaine
Which tocolytic agent is known to cause constriction of the fetal ductus arteriosus
Indomethacin (not recommended after 32 weeks)