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Article

Comparison of electrocardiographic QTc duration in patients with supravalvar aortic stenosis with versus without Williams syndrome.

The American journal of cardiology - 15 May 2013

McCarty Hollyn M, Tang Xinyu, Swearingen Christopher J, Collins R Thomas

Abstract excerpt

Cardiovascular abnormalities in Williams syndrome (WS) are largely attributable to elastin haploinsufficiency resulting from a large deletion of the elastin-containing region on chromosome 7q11.23. The risk of sudden death in patients with WS is 25- to 100-fold greater than that in the general population. The corrected QT (QTc) interval is prolonged in 14% of patients with WS. Patients with nonsyndromic...

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Identifiers

PMID: 23433766
DOI: 10.1016/j.amjcard.2013.01.308
PMCID: PMC3984918

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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