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Long QT Syndrome

Long QT syndrome (LQTS) is a heart signaling disorder that can cause fast, chaotic heartbeats (arrhythmias). A heart signaling disorder is also called a heart conduction disorder. - The Mayo Clinic

Deep Dive in Long QT Syndrome


About Long QT Syndrome

Some people are born with altered DNA that causes long QT syndrome (congenital long QT syndrome). Long QT syndrome may also occur later in life (acquired long QT syndrome) as the result of some medical conditions, certain drugs or mineral imbalances. For more information, visit the Mayo Clinic Long QT Syndrome webpage.

Maryland Treatment Center

Some diagnostic tests take place on site in a doctor’s office or hospital. Other tests provide monitoring at home as you follow your daily routine. At John Hopkins Medicine, doctors are ready to test and treat Long QT Syndrome. For more information, visit John Hopkins Medicine webpage.

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