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Hypoparathyroidism and hypocalcemia (electrocardiogram)

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Electrocardiogram in a 68-year-old man with hypoparathyroidism and hypocalcemia, showing a sinus rhythm, left axis deviation, multiple premature ventricular complexes, Q wave in inferior lead, T wave flattening, and QTc prolongation. Figure edited by Dr. Douglas J Lanska to improve contrast and sharpness. (From: Sehatpour F, Mohseni S, Pejman Sani M. Fahr's syndrome with neurocognitive dysfunction due to hypoparathyroidism: a case report. Case Rep Endocrinol 2025;2025:6355371. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)