Newborn and Premature electrolyte parameters

annnd2009@gmail.comannnd2009@gmail.com
in Pediatrics

Hello,

Does anyone have any guide on what electrolyte values they consider significant in these two populations? Thank you!

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  • deanne.wilk@hcpro.comdeanne.wilk@hcpro.com

    Hi annnd2009,

    Below is some information I have but you would want to verify with the facility since, as you know, the equipment can vary.

    Sodium (Na+)

    • Normal range for term infants: 135-145 mEq/L
    • Normal range for premature infants: 135-145 mEq/L
    • Abnormal: < 130 mEq/L (hyponatremia) or > 150 mEq/L (hypernatremia)

    Potassium (K+)

    • Normal range for term infants: 3.5-5.5 mEq/L
    • Normal range for premature infants: 4.0-6.5 mEq/L (can be higher in the first days of life)
    • Abnormal: < 3.0 mEq/L (hypokalemia) or > 6.5 mEq/L (hyperkalemia)

    Chloride (Cl-)

    • Normal range for term infants: 98-108 mEq/L
    • Normal range for premature infants: 95-110 mEq/L
    • Abnormal: < 90 mEq/L (hypochloremia) or > 115 mEq/L (hyperchloremia)

    Calcium (Ca2+)

    • Normal range for term infants: 8.5-10.5 mg/dL
    • Normal range for premature infants: 7.5-10.5 mg/dL
    • Abnormal: < 7 mg/dL (hypocalcemia) or > 11 mg/dL (hypercalcemia)

    Phosphorus (P)

    • Normal range for term infants: 4.5-7.5 mg/dL
    • Normal range for premature infants: 5.0-8.0 mg/dL
    • Abnormal: < 4.0 mg/dL (hypophosphatemia) or > 9.0 mg/dL (hyperphosphatemia)

    Magnesium (Mg2+)

    • Normal range for term infants: 1.5-2.5 mg/dL
    • Normal range for premature infants: 1.5-2.5 mg/dL
    • Abnormal: < 1.0 mg/dL (hypomagnesemia) or > 3.0 mg/dL (hypermagnesemia)


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