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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Do not include MeSH terms found below this term in the MeSH hierarchy.

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

Previous Indexing:

• Arrhythmia (1966-1985)
• Tachycardia (1966-1985)

All MeSH Categories
Diseases Category
Cardiovascular Diseases
Heart Diseases
Arrhythmias, Cardiac
Long QT Syndrome
Andersen Syndrome
Jervell-Lange Nielsen Syndrome
Romano-Ward Syndrome

All MeSH Categories
Diseases Category
Cardiovascular Diseases
Heart Diseases
Cardiac Conduction System Disease
Long QT Syndrome
Andersen Syndrome
Jervell-Lange Nielsen Syndrome
Romano-Ward Syndrome

All MeSH Categories
Diseases Category
Congenital, Hereditary, and Neonatal Diseases and Abnormalities
Congenital Abnormalities
Cardiovascular Abnormalities
Heart Defects, Congenital
Long QT Syndrome
Andersen Syndrome
Jervell-Lange Nielsen Syndrome
Romano-Ward Syndrome

All MeSH Categories
Diseases Category
Pathological Conditions, Signs and Symptoms
Pathologic Processes
Arrhythmias, Cardiac
Long QT Syndrome
Andersen Syndrome
Romano-Ward Syndrome