OB Flashcards
normal maternal changes (6)
1) HR increases2) B/P decreases in the 2nd trimester, returns to normal in 3rd trimester3) CO increases4) plasma increases 40%, >increase in clotting factors, risk of PE5) hormones: progesterone and relaxin relaxes sphincters6) decreased functional/residual lung volume
normal maternal changes (6)
1) HR increases2) B/P decreases in the 2nd trimester, returns to normal in 3rd trimester3) CO increases4) plasma increases 40%, >increase in clotting factors, risk of PE5) hormones: progesterone and relaxin relaxes sphincters6) decreased functional/residual lung volume
Assessment “DES”
dilationeffacement (thickness of cervix) station (fetal head relation to pubic bone)
Normal FHR 120-160 fetal tachycardia due to……fetal bradycardia due to…..
………….sepsis………….hypoxia
variability #1 cause of poor variability
normal variability = 10-15 bpm …..fetal hypoxia
general rule regarding accelerations/decelerations
in relation to uterine contraction. accelerations are always gooddecelerations can be bad
early decelerations
they mirror contractionsthe head is pressed against the cervixbenign
variable decelerations
caused by cord compression during uterine contraction
sinusoidal variations
caused by accidental tap of the umbilical cord, fetal hypovolemia, anemia, acidosis
Assessment “DES”
dilationeffacement (thickness of cervix) station (fetal head relation to pubic bone)
Normal FHR 120-160 fetal tachycardia due to……fetal bradycardia due to…..
………….sepsis………….hypoxia
variability #1 cause of poor variability
normal variability = 10-15 bpm …..fetal hypoxia
general rule regarding accelerations/decelerations
in relation to uterine contraction. accelerations are always gooddecelerations can be bad
early decelerations
they mirror contractionsthe head is pressed against the cervixbenign
variable decelerations
caused by cord compression during uterine contraction