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