Concealed Pulmonary Vein Bigeminy during Sinus Rhythm in Patients with Paroxysmal Atrial Fibrillation: A Useful Marker for Pulmonary Vein Firing

Table 1

Characteristics of cPVB.

	(%)
Prevalence
Total no. of patients (198)	22 (11%)
Total no. of veins (776)	27 (3.5%)
No. of cPVB/patient	1.2
PV potential location
RSPV	9 (33%)
RIPV	3 (11%)
LSPV	10 (37%)
LIPV	5 (19%)
Wide double PV potentials interval	136 ± 16 ms
Relation to PV firing	24 (89%)

cPVB = concealed pulmonary vein bigeminy; PV = pulmonary vein; RSPV = right superior pulmonary vein; RIPV = right inferior pulmonary vein; LSPV = left superior pulmonary vein; LIPV = left inferior pulmonary vein.