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Long QT Syndrome (LQTS)
Long QT Syndrome (LQTS)
by Alike Medical Team ∙ Updated on June 13, 2023
Additional names
This group contains additional names: - Long QT Syndrome
General
Long QT refers to a heart condition, congenital or acquired, that may cause arrhythmias and even sudden cardiac death. Q-T is an interval in the ECG which represents the time it takes the ventricle’s muscles contract and recover. Congenital long QT syndrome refers to some genetic mutations in the ion channels that are found in the myocytes. Due to these mutations, there is a delay in the heart’s electrical activity. Acquired long QT may be caused due to some medications. If someone in your family has LQT syndrome, it is important to get screened.
66 people with Long QT Syndrome (LQTS)
Learn from others who are experiencing Long QT Syndrome (LQTS).
Signs & symptoms
Not all people with long QT have symptoms. Symptoms may include fainting, seizures and sudden death. Triggers for symptoms differ in different types of LQT but may include exercise, being startled and during sleep or while waking up.
Diagnosis
Diagnosis is based upon findings from medical history and physical examination. Further evaluation may include ECG and a stress test.
Treatment
Treatment includes medications such as beta blockers, avoiding triggers and an implantable cardioverter defibrillator (ICD).
Note
☝ We provide information on prescription and over-the-counter medicines, diagnosis, procedures and lab tests. This material is provided for educational purposes only and is not medical advice, diagnosis or treatment.
National Institutes of Health ∙ World Health Organization ∙ MedlinePluse ∙ Centers for Disease Control and Prevention
☝ All information has been reviewed by certified physicians from Alike
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