Congenital long QT syndrome can lead to
Polymorphic VT has a continually changing QRS morphology indi- cating a changing ventricular activation sequence. Polymorphic VT that occurs in the context of congenital or acquired prolongation of the QT interval often has a waxing and waning QRS amplitude creat- ing a "twisting about the points" appearance referred to as Torsade de Pointes Ref Harrison 20th edition pg 1445
Complete hea block
Polymorphic ventricular tachycardia
Acute myocardial infraction
Recurrent supraventricular tachycardia
General anatomy