<unk>  is an inherited condition that disrupts the heart's normal rhythm. This condition is characterized by uncoordinated electrical activity in the heart's upper chambers (the<unk> , which causes the heartbeat to become fast and irregular.
Familial atrial fibrillation
Long QT Syndrome
Long QT syndrome
Short QT syndrome type 1
Short QT syndrome type 2
Short QT syndrome type 3
Short QT syndrome type 4
Short QT syndrome type 5