A rare cause of 2:1 AV block: long QT syndrome.
Patel
Chinmay
C
Main Line Health Heart Center, Wynnewood, Pennsylvania 19096, USA.
Narayanaswamy
Srinivasa
S
Medina-Ravell
Victor A
VA
Yan
Gan-Xin
GX
D054537:Atrioventricular Block / Q000175:diagnosis* / Q000209:etiology* / Q000517:prevention & control; D002648:Child; D017147:Defibrillators, Implantable; D005260:Female; D006801:Humans; D008133:Long QT Syndrome / Q000150:complications* / Q000175:diagnosis* / Q000517:prevention & control; D035583:Rare Diseases / Q000150:complications / Q000175:diagnosis / Q000517:prevention & control