Congenital Long-QT Syndrome Concealed by Hypercalcemia in Williams Syndrome

被引：3
|
作者：
Czosek, Richard J.
Berul, Charles I. [1 ]
机构：
[1] Childrens Hosp, Dept Cardiol, Boston, MA 02115 USA
来源：
JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY | 2008年 / 19卷 / 12期
关键词：
long-QT syndrome; electrocardiography; calcium; genetics;
D O I：
10.1111/j.1540-8167.2008.01263.x
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
Concealment of Long-QT Syndrome. We report a case of gene-positive long-QT syndrome (KCNH2) in a patient with concomitant Williams Syndrome. The hypercalcemia that developed in association with Williams Syndrome pseudo-normalized the QTc interval on surface ECG, concealing the clinical and electrocardiographic manifestations of the disease. Initiation of medical therapy for hypercalcemia unmasked the prolonged QT interval, allowing for the diagnosis of long-QT syndrome to be made. (J Cardiovasc Electrophysiol, Vol. 19, pp. 1322-1324, December 2008).
引用
收藏
页码：1322 / 1324
页数：3
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