Atrial overdrive pacing inducing QRS complexes of varying duration in a patient with recurrent syncope. What is the mechanism?
Arias
Miguel A
MA
Cardiac Arrhythmia and Electrophysiology Unit, Department of Cardiology, Hospital Virgen de la Salud, Toledo, Spain. maapalomares@secardiologia.es
Puchol
Alberto
A
Castellanos
Eduardo
E
Pachón
Marta
M
Valverde
Irene
I
Rodríguez-Padial
Luis
L
D002037:Bundle-Branch Block / Q000150:complications / Q000503:physiopathology*; D002304:Cardiac Pacing, Artificial / Q000379:methods*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D013575:Syncope / Q000209:etiology; D013610:Tachycardia / Q000150:complications / Q000503:physiopathology*