APEX OB Flashcards
What size ETT for pregnants?
6-7 d/t narrowed glottic opening
The ___ handle is best for women with large breasts
Datta
Airway edema is made worse by ______
Preeclampsia
Tocolytics (to prolong pregnancy)
Prolonged Tburg
What hormones cause vascular engorgement/ hyperemia?
Progesterone
Estrogen
Relaxin
Progesterone ____ NO release
Increases- this lowers SVR
We can prevent aortocaval compression by displacing the right torso ____ degrees
15-30
Pregnant patients are ____ sensitive to local anesthetics
MORE due to progesterone, which is also why MAC is decreased
IS UBF autoregulated?
NO
Map, CO, Uterine resistance
Causes of reduced UBF
Decreased perfusion- HOTN, hemorrhage, AO compressino
Increased resistance- Uterine contraction, HTN conditions
Best vasopressor for uterine perfusion?
Phenyl (although this is new data)
Levo is gaining traction
Ephedrine is classic teaching
What drug characteristics will favor placental transfer?
LMW (<500 Daltons)
Lipophillic
Non ionized
Non polar
What drugs will not transfer the placenta?
NMBs
Glycopyrrolate
Heparin
Insulin
Which drugs will pass thru the placenta?
LAs
IV anesthetics
Opioids
Benzos
Atropine
Beta blockers
Magnesium
UBF at term
700-900ml/min
10% CO
What do the stages of labor begin and end with?
1- Contractions/ beginning of cervical filation- 10cm dilation
2- Full dilation (perineal pain)- delivery of newborn
3- Delivery of newborn- delivery of placenta