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Long QT syndrome

Condition
Long QT syndrome is a condition affecting repolarization of the heart after a heartbeat, giving rise to an abnormally lengthy QT interval. It results in an increased risk of an irregular heartbeat which can result in fainting, drowning, seizures,... Wikipedia
Causes: Genetic, certain medications, low blood potassium, low blood calcium, heart failure
Deaths: ≈3,500 a year (U.S.)
Diagnostic method: Electrocardiogram (EKG), clinical findings, genetic testing
Differential diagnosis: Brugada syndrome, arrhythmogenic right ventricular dysplasia
Frequency: ≈ 1 in 7,000
Risk factors: Family history of sudden death
Symptoms: Fainting, hearing loss, seizures

People also ask
Long QT syndrome from www.mayoclinic.org
Jul 19, 2024 · Long QT syndrome (LQTS) is a heart rhythm disorder that causes fast, chaotic heartbeats. The irregular heartbeats can be life-threatening. LQTS ...
Long QT syndrome from my.clevelandclinic.org
What is long QT syndrome? Long QT syndrome refers to an issue with your heart's electrical system taking longer than normal to recharge between heartbeats.
Long QT syndrome from www.nhlbi.nih.gov
Mar 24, 2022 · A long QT interval can upset the careful timing of the heartbeat and cause sudden uncontrollable fast heart rhythms. LQTS is rare, and not ...
Long QT syndrome (LQTS) is an abnormal feature of the heart's electrical system that can lead to a potentially life-threatening arrhythmia called torsades de ...
Long QT syndrome is an inherited heart problem that affects how your heart beats. In some people, this can cause fainting or fits (seizures).
Long QT syndrome from www.mayoclinic.org
Jul 19, 2024 · In a prolonged QT interval, it takes longer than usual for the heart to recharge between beats. A prolonged QT interval can be seen on a heart ...
Long QT syndrome from en.wikipedia.org
Long QT syndrome (LQTS) is a condition affecting repolarization (relaxing) of the heart after a heartbeat, giving rise to an abnormally lengthy QT interval.
Aug 1, 2012 · LQTS is typically characterized by a prolongation of the QT interval on the ECG and by the occurrence of syncope or cardiac arrest, mainly ...
Nov 29, 2017 · Long QT syndrome (LQTS) is a congenital disorder characterized by a prolongation of the QT interval on electrocardiograms (ECGs) and a ...