1  of Bachmann's bundle and 1 patient near the fossa ovalis.

2 ed percutaneously by balloon dilation of the fossa ovalis.

3 lated first, followed by ablation of zone 2 (fossa ovalis and coronary sinus ostium).

4 rred in 33 of 96 (35%) punctures through the fossa ovalis and in 38 of 96 (40%) punctures through non

5  isthmus, coronary sinus orifice, membranous fossa ovalis and pulmonary veins.

6 terminalis, pectinate muscles, limbus of the fossa ovalis, and Bachmann's bundle.

7 he size of the interatrial communication and fossa ovalis, and decrease in the length of the flap val

8 he tip of the right atrial appendage, at the fossa ovalis, and in the distal coronary sinus.

9   Percutaneous closure of surgically created fossa ovalis ASD was attempted in 15 minipigs.

10 mon non-PV AF trigger sites (mitral annulus, fossa ovalis, eustachian ridge, crista terminalis, and s

11 was near Bachmann's bundle in 5 and near the fossa ovalis in 4 patients.

12 blations of the cavotricuspid isthmus (n=4), fossa ovalis (n=4), and pulmonary veins (n=6) were perfo

13 andard electrocautery pen at 3 target sites (fossa ovalis, non-fossa ovalis septum, and aorta).

14 dle insertion (P<0.01) and 59+/-23 ms to the fossa ovalis (P=NS and P<0.01, respectively).

15 mann's bundle (P<0.01) and 59+/-25 ms to the fossa ovalis (P=NS).

16 ery pen at 3 target sites (fossa ovalis, non-fossa ovalis septum, and aorta).

17  and in 38 of 96 (40%) punctures through non-fossa ovalis septum.

18                                          The fossa ovalis, the distal coronary sinus, and the right a

19 nalis to the tricuspid annulus; (2) from the fossa ovalis to the crista terminalis; and (3) from the

20  animal preparation, TSP at the level of the fossa ovalis using electrocautery and a standard open-en