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26 Cards in this Set
- Front
- Back
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labor occuring before wk 37
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preterm labor
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MC cause of fetal M&M
Incidence ? |
preterm delivery
10% |
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viability is wk ___.
mortality ? |
24wks
50% |
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Only FDA approved tocolytic.
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ritodrine DPS says terbutaline is MC used and that ritodrine is no longer used
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simple method to decrease contractions
Mech ? |
hydration
ADH cross-reacts w/ oxytocin |
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decr smooth mm contraction
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incr cAMP
free Ca decreases (seq in SR) |
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smooth mm contraction
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Ca / calmodulin
MLCK |
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convert ATP to cAMP
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B-agonsists
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B-agonist SEs
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tachycardia
HA anxiety |
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calcium antagonist & membrane stabilizer
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Mg
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toxic Mg level
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10 mg / dL
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decr Ca influx into sm mm cells
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Ca channel blockers
(nifedipine) |
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incr intracelllular Ca &
incr mymetrical contractions decreased by ? mech ? |
prostaglandins
NSAIDS blocks cycloxygenase |
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rupture of membranes b4 37 weeks
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PROM (preterm ROM)
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PROM before labor
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PPROM
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increases latency period in PPROM
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ampicillin / erythromycin
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MC PROM complication
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chorioamnionitis
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Augments contraction
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pitocin (oxytocin)
- uterine contraction & milk ejection |
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saggital suture not midline
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asynclitism
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Incidence of breech
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3-4%
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shoulder presention
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C-section
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prolonged decel:
bradycardia: |
FHR < 100-120 > 2 min
FHR < 100-120 > 10 min |
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incidence of uterine rupture
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1 / 10,000
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definition of AFE
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fetal cells in pulmonary vasculature at autopsy
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vasovagal events vs seizure
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postictal period
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high-pitched wheezing sound of air moving through narrowed airways
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wheezing
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