Abstract
Early-onset hypocalcemia occurs frequently in the premature infant. In one study, 50% of premature infants had serum calcium levels below 8 mg/dL.1In another study, 30% of low-birth-weight infants had serum calcium levels below 7 mg/dL.2The large majority of these infants are asymptomatic. In 1922, Carter and Andrus3described abnormal QT intervals in association with hypocalcemia, and this association was subsequently described by White and Mudd.4Because of the frequency of low serum calcium levels in the newborn, it is important for the clinician to be aware of the various manifestations occurring as a result of hypocalcemia so that proper therapy can be instituted promptly. We describe here a premature infant with, to our knowledge, a previously undescribed ECG manifestation of hypocalcemia that disappeared completely with calcium replacement. Report of a Case.—A 1,110-g girl was born to a 27-year-old gravida 2, para 3,
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