Newborn Assessment on the NCLEX
Newborn vital sign ranges, normal head-to-toe findings, and the red flags that need action.
NCLEX tests whether you can call a newborn finding normal or escalate it. The normal list is long and specific.
Vital signs
HR 110-160 (may dip lower in deep sleep, rise with crying). RR 30-60, irregular, brief pauses under 20 seconds are normal. Axillary temp 36.5-37.5 C (97.7-99.5 F). Red flags: nasal flaring, grunting, retractions, central cyanosis, apnea over 20 seconds.
Head
Anterior fontanel: diamond shaped, closes by about 18 months. Posterior: triangular, closes by 2-3 months. Soft and flat is normal; bulging at rest suggests increased ICP, sunken suggests dehydration. Caput succedaneum crosses suture lines (scalp edema, resolves in days). Cephalohematoma does not cross suture lines (bleed under the periosteum, raises jaundice risk as it resorbs).
Skin findings that are normal
Acrocyanosis in the first 24-48 hours. Milia. Erythema toxicum (the benign newborn rash). Vernix. Lanugo. Congenital dermal melanocytosis (slate-gray patches, document location and size). Not normal: central cyanosis, jaundice in the first 24 hours, pallor.
Output and feeding
First void within 24 hours. First meconium within 24-48 hours. No meconium by 48 hours → assess for imperforate anus or obstruction, notify the provider. Jitteriness or poor feeding → check a glucose.
Cord and extremities
Cord: two arteries, one vein. A single umbilical artery gets reported (associated with other anomalies). Keep the cord dry; it detaches in 1-2 weeks. Redness, drainage, or foul odor at the base → possible omphalitis. Hips: Barlow and Ortolani screening for dysplasia; asymmetric thigh folds are a flag.
Frequently asked
Newborn periodic breathing vs apnea?
Pauses under 20 seconds without color change or bradycardia are periodic breathing, which is normal. Over 20 seconds, or any pause with cyanosis or a falling heart rate, is apnea and gets escalated.
Which murmur finding do I report?
Soft transient murmurs in the first day can be normal as fetal shunts close. A murmur with cyanosis, poor feeding, or weak femoral pulses is reported. Weak femoral pulses suggest coarctation.
Why check glucose for jitteriness?
Jitteriness is the classic sign of newborn hypoglycemia, and it also appears in neonatal abstinence. Glucose is the fast, cheap first check.
Quick check
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