USMLE Forum Archives - USMLE Step 3 - peds 3
peds 3
conym5 - 07-22-09 15:24
A mother delivers a neonate with meconium staining and Apgar scores
of 3 at 1 and 5 min of life. She had no prenatal care and the delivery was by
emergency cesarean section for severe fetal bradycardia. Which of the following
sequelae could be expected to develop in this intubated neonate with
respiratory distress?
conym5 - 07-22-09 15:24
A mother delivers a neonate with meconium staining and Apgar scores
of 3 at 1 and 5 min of life. She had no prenatal care and the delivery was by
emergency cesarean section for severe fetal bradycardia. Which of the following
sequelae could be expected to develop in this intubated neonate with
respiratory distress?
The correct answer and explanation will be available after you answer.
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#4
Re: peds 3
conym5 - 07-23-09 08:06 The low Apgar scores, meconium
staining, and ensuing respiratory distress suggest that asphyxia has
occurred. During a period of asphyxia, the resulting hypoxemia, acidosis,
and po There can be excessively high pulmonary arterial pressure at the
same time systemic blood pressure begins to fall, resulting in a persistent
right-to-left shunt across a patent ductus arteriosus or foramen ovale.
#17
Re: peds 3 babbu5508 - 08-30-10 02:21 My answer is: a.
a. Sustained rise in pulmonary arterial pressure...by feal hypoxa and resultant vasoonstriction.. meconium staining & Apgar scores
of 3 at 1 and 5 min of life.
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