Articles  |   December 2014
ACE Question
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Education / CPD / Articles
Articles   |   December 2014
ACE Question
ASA Monitor 12 2014, Vol.78, 44.
ASA Monitor 12 2014, Vol.78, 44.
An 8-week-old child who was born at 34 weeks postconceptual age presents with an incarcerated inguinal hernia. Results of preoperative laboratory testing include a hemoglobin concentration of 8 g/dL. Which of the following statements about the child’s anemia is most likely true?
Intrauterine existence is associated with hypoxemia (arterial oxygen saturation averages about 50 percent), which stimulates production of red blood cells. The result is that, compared with a healthy adult, at birth a normal term neonate has a much higher hematocrit (mean = 55 percent). A progressive decrease in hematocrit begins shortly after birth.
Multiple factors contribute to the development of the physiologic anemia of infancy:
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