释义 |
long QT syndromes long QT syndromesa group of congenital and acquired diseases in which the electrocardiographic QT interval is longer than established measurements for age and sex; the presence of long QT intervals presages arrhythmias and sudden death. See also: QT interval. long QT syn·dromes (lawng sin'drōmz) Any of several congenital and acquired diseases in which the electrocardiographic QT interval is longer than established measurements for age and sex; the presence of long QT intervals presages arrhythmias and sudden death. See also: QT interval |