Abstract
A 17-month-old black girl presented to the pediatric emergency department with sudden onset of her hands and feet "drawing up." A diagnosis of vitamin D deficiency rickets with tetany was made on a history of exclusive breast-feeding, low serum calcium, phosphorus, and 25-hydroxyvitamin D levels, and bone radiographs. Nutritional rickets should be considered in the differential diagnosis of acute hypocalcemia.
MeSH terms
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Acute Disease
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Breast Feeding / adverse effects
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Calcium / blood
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Diagnosis, Differential
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Dietary Supplements
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Emergency Treatment / methods
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Female
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Humans
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Hydroxycholecalciferols / blood
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Hypocalcemia / etiology*
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Infant
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Infant Food
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Nutrition Assessment
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Phosphorus / blood
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Radiography
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Rickets / blood
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Rickets / complications*
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Rickets / diagnostic imaging
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Rickets / drug therapy
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Risk Factors
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Tetany / etiology*
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Vitamin D / metabolism
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Vitamin D / therapeutic use
Substances
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Hydroxycholecalciferols
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Vitamin D
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Phosphorus
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Calcium