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Long QT Syndrome

A condition that is characterized by episodes of fainting (SYNCOPE) and varying degree of ventricular arrhythmia as indicated by the prolonged QT interval. The inherited forms are caused by mutation of genes encoding cardiac ion channel proteins. The two major forms are ROMANO-WARD SYNDROME and JERVELL-LANGE NIELSEN SYNDROME.

Year introduced: 1991(1986)

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Tree Number(s): C14.280.067.565, C14.280.123.625, C16.131.240.400.715, C23.550.073.547

MeSH Unique ID: D008133

Entry Terms:

  • Electrocardiogram QT Prolonged

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