Study note

Biochemical definition of neonatal hypocalcemia

THE CONTEXT
Hypocalcemia is a common neonatal metabolic condition with different calcium thresholds for preterm and term neonates.

Preterm neonates

•
Hypocalcemia is characterized by total serum calcium below 7 mg/dL or ionized calcium below 4 mg/dL.

Term neonates

•
Hypocalcemia is characterized by total serum calcium below 8 mg/dL or ionized calcium below 4.8 mg/dL.
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