Definition of QT syndrome, long
QT syndrome, long: A disorder of the heart's electrical system that predisposes individuals to irregular heartbeats, fainting spells, and sudden death. The irregular heartbeats are typically brought on by stress or vigorous activity. Abbreviated LQTS. LQTS is often symptoml
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=10846
Last Editorial Review: 3/30/2012
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