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Hypoparathyroidism with hypocalcemia and hyperphosphatemia in a 31-year-old man (electrocardiogram)

Electrocardiogram in a 31-year-old man with hypoparathyroidism with hypocalcemia and hyperphosphatemia. His corrected serum calcium level (ie, corrected for albumin concentration) was significantly low at 6.9 mg/dl (reference range 8.0-10.4), whereas his phosphorus level was significantly elevated at 7 mg/dl (reference range 2.5-4.5). The electrocardiogram shows sinus tachycardia with corrected QT prolongation (451 ms). The QT interval is marked with a black bar at the bottom of the figure. (From: Gaba S, Singla M, Gupta M, Dua A, Gaba N. From psychiatry to neurology and endocrinology: a case of hypoparathyroidism. Cureus 2020;12(9):e10666. Creative Commons Attribution License CC-BY 4.0.)

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