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26 Cards in this Set

  • Front
  • Back
body wt increases in pregnancy
1kg amniotic fluid
1kg uterus
2kg interstitial fluid
2kg blood volume
4kg fetus/placenta
4kg new fat and protein
anatomic pulmonary changes
elevated diaphragm
reduced FRC
anatomic cardio changes
bivent hypertrophy
cardiac elevation and left rotation.
anatomic GI changes
reduced cardioesophogeal tone
horizontal gastric axis
anatomic urogenital changes
increased bladder capacity
urine stasis
anatomic circulatory
aortocaval compression
lower body venous stasis
pulmonary physiol. changes
increased O2 consumption
increased CO2 production
increased alveolar ventilation
cardio physio changes
increased cardiac output
GI physio changes
increased volume and acidity of gastric contents.
incresaed intragastric pressure.
urogenital physio changes
increased renal bloodflow
increased GFR
frequent UTI
circulatory physio changes
expanded blood volume
greater thromboembolitic poss
increased procoagulant activity
tracheal and bronchial dilation due to ???
closing capacity vs FRC
supine the closing cap will be greater than FRC in 1/3 to 1/2. at risk for hypoxemia
increased volumes due to ?? a resp stimulant. also increased sensitivity to CO2
oxyHgb curve shifts???
to the right. need to give O2 to the fetus
effects of hyperentilation
can cause umb. cord vessel constriction and shift maternal Hgb curve to the left
most important to do during contracts/labor..easiest to do
increase of ???? blood volume during pregnancy
40% or approx 1700mls
mostly plasma
blood volumes return to normal ??? postpartum
within 6 months
increase in blood volumes is called?
physiological anemia of pregnancy
effects of physiological anemia of pregnancy
greater increase in plasma than RBC
tx for anemia of pregnancy
if Hgb < 10 then give Iron to stimulate eurythropoeisis. Can cause constipation
duration of increase of blood volumes
plasma and total volume begin to drop late 3rd trimester, RBC production continues to rise
goal for Hgb
keep above 12g%
average blood loss for section
average blood loss for vag delivery