|Summary of Recommendation|
|Recommendation #1||Patients with a prior cardiac arrest or syncopal event related to LQTS should be restricted to class IA sports|
|Recommendation #2||Asymptomatic patients with borderline QTc prolongation (<470 in males, <480 in females) are restricted to class IA sports.|
|Recommendation #3||Patients with phenotype-negative, genotype-positive LQTS are not restricted. LQT1 patients should refrain from swimming.|
|Recommendation #4||LQTS patients with an ICD should be restricted from all sports.|
ICD = implantable cardioverter-defibrillator; LQTS = long QT syndrome.