The newborn at 24 hours of age has a red blood cell (RBC) count of 5.4 million per milliliter. Which entry should the nurse expect to find in the newborn's chart to explain this laboratory value?
1. Cord clamping delayed until pulsation ceased.
2. Infant is breastfed 15 to 20 minutes every 3 hours.
3. CBC drawn from the anterior surface of the left hand.
4. Placental abruption noted to be 80% at time of delivery.
1
Explanation:
1. Delayed cord clamping can cause an increase of up to 61%, resulting in a slightly higher-than-average RBC count.
2. Breastfeeding does not impact RBC counts in the first day of life.
3. Venous blood has lower RBC counts than do capillary blood samples.
4. Maternal or fetal blood loss causes hypovolemia and low RBC counts (less than 5.2 million per milliliter).
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