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Symptoms of Long QT syndrome

Symptoms of Long QT syndrome

The list of signs and symptoms mentioned in various sources for Long QT syndrome includes the 5 symptoms listed below:

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Long QT syndrome: Symptom Checkers

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Long QT syndrome: Symptom Assessment Questionnaires

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Long QT syndrome: Medical Mistakes

Long QT syndrome: Undiagnosed Conditions

Diseases that may be commonly undiagnosed in related medical areas:

Home Diagnostic Testing

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Other Possible Causes of these Symptoms

Click on any of the symptoms below to see a full list of other causes including diseases, medical conditions, toxins, drug interactions, or drug side effect causes of that symptom.

Article Excerpts About Symptoms of Long QT syndrome:

Long QT syndrome (LQTS) results from structural abnormalities in the potassium channels of the heart, which predispose affected persons to an accelerated heart rhythm (arrhythmia). This can lead to sudden loss of consciousness and may cause sudden cardiac death in teenagers and young adults who are faced with stressors ranging from exercise to loud sounds. (Source: Genes and Disease by the National Center for Biotechnology)

Medical articles and books on symptoms:

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About signs and symptoms of Long QT syndrome:

The symptom information on this page attempts to provide a list of some possible signs and symptoms of Long QT syndrome. This signs and symptoms information for Long QT syndrome has been gathered from various sources, may not be fully accurate, and may not be the full list of Long QT syndrome signs or Long QT syndrome symptoms. Furthermore, signs and symptoms of Long QT syndrome may vary on an individual basis for each patient. Only your doctor can provide adequate diagnosis of any signs or symptoms and whether they are indeed Long QT syndrome symptoms.


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