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. ;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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