Long QT syndrome, familial: A familial heart condition which is characterized by prolongation of the QT interval of the heart rhythm. Exercise or excitement can exacerbate symptoms. More detailed information about the symptoms, causes, and treatments of Long QT syndrome, familial is available below.
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Commonly undiagnosed diseases in related medical categories:
Heart attacks can be undiagnosed: Although the most severe symptoms of heart attack are hard to miss, there are varying degrees of severity. It is altogether too common for people...read more »
Heart attacks can be overdiagnosed: Although many people die from heart attacks, there are also many cases where people fear that they have a heart attack, but actually have something milder....read more »
Rare heart condition often undiagnosed: The rare heart condition called long QT syndrome can lead to episodes of palpitations and rapid heartbeat. In rare cases, this undiagnosed condition can be fatal. It...read more »
Heart attack can be over-diagnosed: Although heart attack is often undiagnosed, leading to fatality, it can also be over-diagnosed. People become concerned that a condition is a heart attack, whereas there are various less...read more »
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Ophanet, a consortium of European partners,
currently defines a condition rare when it affects 1 person per 2,000.
They list Long QT syndrome, familial as a "rare disease".
Source - Orphanet
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