HIROFUMI KAMBARA, M.D.; BRUCE J. ITELD, M.D.; JOHN PHILLIPS, M.D., F.A.C.P.
It is well recognized that hypocalcemia causes prolongation of the Q-Tc interval and variable T wave changes on the electrocardiogram. Only a few authors have reported cardiac arrhythmias as a clinical manifestation of hypocalcemia, however.
Castellanos and associates (1) reported 2:1 atrioventricular block in a 6-year-old child with hypocalcemia. Griffin (2) reported heart block in two infants where normal sinus rhythm was restored after intravenous calcium therapy. Jacobson and Schrire (3) commented on a young Bantu girl with a serum calcium of 4.6 mg/dl who experienced an attack of spontaneous ventricular fibrillation that was restored to normal sinus rhythm by
KAMBARA H, ITELD BJ, PHILLIPS J. Hypocalcemia and Intractable Ventricular Fibrillation. Ann Intern Med. 1977;86:583–584. doi: 10.7326/0003-4819-86-5-583_2
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Published: Ann Intern Med. 1977;86(5):583-584.
Endocrine and Metabolism, Fluid and Electrolyte Disorders, Nephrology.
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