Article Last Updated: 08/16/2005 09:00:01 AM Life with a restricted rhythm Arrhythmia: Utah teen with a diagnosed heart disorder knows her limits, but many student athletes with the condition compete without knowing the risks See ARRHYTHMIA, D2 Arrhythmia: Many athletes undiagnosed Tiffany Stayer, 14, who has Long QT syndrome, can ride horses, but can't compete in rigorous school sports. (Leah Hogsten/The Salt Lake Tribune) Tiffany Stayer would love to play basketball or join the swim team, but doing so could endanger her life.    The 14-year-old Bountiful ninth-grader might suddenly faint, have a seizure or even collapse and die if she overexerts herself. She suffers from Long QT syndrome, a genetic cardiac disorder of the electrical system of the heart, which makes patients susceptible to a fast, abnormal heart rhythm, or arrhythmia.   

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