Hypercalcemia electrocardiogram: Difference between revisions

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Revision as of 19:08, 4 June 2018

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

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Findings on ECG are due to hypercalcemia and includes:^[1]

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.

↑ Lind L, Ljunghall S (1994). "Serum calcium and the ECG in patients with primary hyperparathyroidism". J Electrocardiol. 27 (2): 99–103. doi:10.1016/S0022-0736(05)80092-5. PMID 8201301.

@@ Line 13: / Line 13: @@
 *[[T wave]] - [[T wave]] is prolonged in patients with hypercalcemia when compared to normocalcemic patients.
-# A shortening of the [[QTc]] interval
-# The decrease is at the expense of the [[ST segment]] which becomes shortened or absent.
-# This is true for Ca of up to 16 meq/li, after this [[QTc]] prolongation occurs
 [[image:Ganseman.Hypercalcemia.jpg|center|400px|thumb|12 lead EKG:Hypercalcemia. [http://www.ganseman.com/ecgbibnl.htm#_top000 Courtesy of Dr Jose Ganseman]]]