Symposium 46 I I II II III III 1 12 54/ narrow QRS tachycardia 139/ P V1 HIS 5 6 HIS 3 4 HIS 1 2 CS 9 10 CS 7 8 CS 5 6 CS 3 4 CS 1 2 RV 3 4 RV 1 2 100

Symposium 46 Inappropriate Sinus Tachycardia1 inappropriate sinus tachycardiaistp 100/ 1 IST 2 IST IST atrio ventricular nodal reentrant tachycardiavnrt IST 1 26 2011 24 2013 2013 7 54/ 1 narrow QRS 139/aVFP1 His jump up 2 530msec narrow QRS 3 His VNRT VNRT 2 120/ 89/ 4 175/ 4 4CIST 2.5mg 1 / Tsugiyoshi Yamazaki, et al. case of inappropriate sinus tachycardia after atrio ventricular nodal reentrant tachycardia ablation 952

Symposium 46 I I II II III III 1 12 54/ narrow QRS tachycardia 139/ P V1 HIS 5 6 HIS 3 4 HIS 1 2 CS 9 10 CS 7 8 CS 5 6 CS 3 4 CS 1 2 RV 3 4 RV 1 2 100 mm/sec 2 Jump up 460msec 250msec Jump up 73/ 5 5 136/ 5C 67/ 114/ 6 953

Symposium 46 V1 HIS 5 6 HIS 3 4 HIS 1 2 CS 9 10 CS 7 8 CS 5 6 CS 3 4 CS 1 2 RV 3 4 RV 1 2 100 mm/sec 3 VNRT 300 msec530 msecvnrt 6 2 standard deviation of all normal sinus RR intervals over 24 hsdnn 78 msec 7 percentage of successive normal sinus RR intervals 50 ms RR 50 12.8 7 2 IST IST 90 IST 3 IST 64 VNR T posterolateral accessory pathway 0.15 0.40Hz 2 RR SDNN RR 50 SDNN 10 29 14743 msec 4 954

Symposium 46 122356 175 89 48 14 13 5 1 13 1 154507 Sinus tachycardia, 175 bpm 25.0 mm/sec C 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 4 2 89/175/ C 955

Symposium 46 103124 136 73 52 5 9 2 couplet 1 9:25:01 1 11 1 C 095658 Sinus tachycardia, 136 bpm 25.0 mm/sec 5 2.5mg C 78.0 msecsdnn RR 50 RR 50 5 10 29 RR 50 17 12 msec 4 12.8 956

Symposium 46 93165 114 67 44 2 14 1 4 13 1 6 IST IST 50 6 If 7 5 mg 3.1 23.7 ng/ml 8.6 8 mg 11.0 11.9 ng/ml 15.8 VNR T IST 957

Symposium 46 7 RR SDNN RR 50 SDNN RR 50 1 Olshansky, et al. Inappropriate sinus tachycardia. J m Coll Cardiol 2013;61:793 801. 2 Kocovic DZ, et al. lterations of heart rate and of heart rate variability after radiofrequency catheter ablation of supraventricular tachycardia. Circulation 1993;88:1671 81. 3 Olgin JE. Sinus tachycardia and sinus node reentry. In Zipes DP, Jalife J. Cardiac Electrophysiology: From Cell to edside 2000:459 68. 4 Umetani K,et al. Twenty four hour time domain heart rate variability and heart rate : Relations to age and gender over nine decades. J m Coll Cardiol 1998;31:593 601. 5 Ewing DJ, et al. New method for assessing cardiac parasympathetic activity using 24 hour electrocardiograms. r Heart J 1984;52:396. 6 Shinbane JS, et al. Long term follow up after radiofrequency sinus node modification for inappropriate sinus tachycardia. J m Coll Cardiol 1997;29:199. 7 Sisti D, et al. case of inappropriate sinus tachycardia after atrio ventricular nodal reentrant tachycardia cr yoablation successfully treated by ivabradine. Europace 2010;12: 1029 31. 958