Hypercalcemia electrocardiogram

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: }

Electrocardiogram

Findings on ECG are due to hypercalcemia and includes:

• ST segment - ST segment is short in patients with hypercalcemia when compared to normocalcemic patients. This represents a decrease in systolic interval.
• QRS complex - QRS complex has an increased amplitude in patients with hypercalcemia when compared to normocalcemic patients. This represents an increase in ventricular muscle mass.
• T wave - T wave is prolonged in patients with hypercalcemia when compared to normocalcemic patients.

12 lead EKG:Hypercalcemia. Courtesy of Dr Jose Ganseman