Mutations in the different ion channels cause different types of Long QT. For example, different mutations in the potassium ion channel cause Long QT 1 and 2 and a mutation in the sodium channel causes Long QT 3.
Ion Channels
Mutations in the different ion channels cause different types of Long QT. For example, different mutations in the potassium ion channel cause Long QT 1 and 2 and a mutation in the sodium channel causes Long QT 3.
The Long Cutie 