1. Kim Y-H, Ikeda T, Wu T-J, Athill CA, Garfinkel A, Weiss JN, Karagueuzian HS, Chen P-S: Spatiotemporal complexity of ventricular fibrillation revealed by tissue mass reduction in isolated swine right ventricle: further evidence for the quasiperiodic route to chaos hypothesis. J Clin Invest 1997;100(10):2486-2500.

2. Kim DT, Kwan Y, Lee JJ, Ikeda T, Uchida T, Kamjoo K, Kim Y-H, Ong JJC, Athill CA,
Wu T-J, Czer L, Karagueuzian HS, Chen PS. Patterns of spiral tip motion in cardiac
tissues. Chaos 1998;8(1):137-148.

3. Chen PS, Wu T-S, Ikeda T, Ong JJC, Kim Y-H, Yashima M, Doshi R, Hwang C, Karagueuzian HS: Focal source hypothesis of atrial fibrillation. J Electrocardiology 1998;31 Suppl:32-4 8.

4. Wu TJ, Yashima M, Xie F, Athill CA, Kim Y-H, Fishbein MC, Qu Z, Garfinkel A, Weiss JN, Karagueuzian HS, Chen P-S: Role of pectinate muscle bundles in the generation and maintenance of intraatrial reentry: potential implications for the mechanism of conversion between atrial fibrillation and atrial flutter. Circ Res 1998;83(4):448-462. (Featured on Cover)

5. Athill CA, Ikeda T, Kim Y-H, Wu T-J, Fishbein MC, Karagueuzian HS, Chen P-S: transmembrane potential properties at the core of functional reentrant wave fronts in isolated canine right atria. Circulation 1998;98(15):1556-1567.

6. Ohara T, Yashima M, Hamzei A, Park A, Kim Y-H, Mandel WJ, Chen P-S, Karagueuzian HS: Nicotine increases spatiotemporal complexity of ventricular fibrillation wave fronts on the epicardial border zone of healed canine infarcts. J Cardiovasc Pharmacol and Therapeutics 1999;4(2):121-127.

7. Kim Y-H, Yashima M, Wu TJ, Doshi R, Chen P-S, Karagueuzian HS: Mechanism of procainamide-induced prevention of spontaneous wave break during ventricular fibrillation. Insight into the maintenance of fibrillation wave fronts. Circulation 1999;100(6):666-674.

8. Kim Y-H, Xie F, Yashima M, Wu T-J, Valderrabano M, Lee M-H, Ohara T, Voroshilovsky O, Doshi R, Fishbein MC, Qu Z, Garfinkel A, Weiss JN, Karagueuzian HS, Chen P-S: Role of papillary muscle in the generation and maintenance of reentry during ventricular tachycardia and fibrillation in isolated swine right ventricle. Circulation 1999;100(13):1450-9.

9. Cao J-M, Qu Z, Kim Y-H, Wu T-J, Garfinkel A, Weiss JN, Karagueuzian HS, Chen P-S: Spatio-temporal heterogeneity in the induction of ventricular fibrillation by rapid pacing: The importance of cardiac restitution properties. Circ Res 1999;84(11):1318-1331.
9. Doshi R, Wu TJ, Yashima M, Kim Y-H, Ong JJC, Cao J, Hwang C, Yashar P, Fishbein MC, Karagueuzian HS, Chen P-S: Relation between ligament of Marshall and adrenergic atrial tachyarrhythmia. Circulation 1999;100(8):876-883.

10. Wu TJ, Yashima M, Doshi R, Kim Y-H, Athill CA, Ong JJC, Czer L, Trento A, Blanche C, Kass RM, Garfinkel A, Weiss JN, Fishbein MC, Karagueuzian HS, Chen PS: Relation between cellular repolarization characteristics and critical mass for human ventricular fibrillation. J Cardiovasc Electrophysiol. 1999;10(8):1077-1986.

11. Lim HE, Shim WJ, Rhee HJ, Kim SM, Hwang GS, Kim Y-H, Seo HS, Oh DJ, Ro YM: Assessment of coronary flow reserve with transthoracic doppler echocardiography: comparison among adenosine, standard-dose dipyridamole, and high-dose dipyridamole. J Am Soc Echocardiogr 2000;13(4):264-270.

12. Garfinkel A, Kim Y-H, Voroshilovsky O, Qu Z, Kil JR, Lee MH, Karagueuzian HS, Weiss JN, Chen P-S. Preventing ventricular fibrillation by flattening cardiac restitution. Proc Natl Acad Sci U.S.A 2000;97(11):6061-6066.

13. Athill CA, Wu TJ, Yashima M, Kim Y-H, Weiss JN, Huang H-L A, Karagueuzian HS, Chen P-S: Influence of wave front dynamics on transmembrane potential characteristics during atrial fibrillation. J Cardiovasc Electrophysiol. 2000;11(8):913-921.

14. Valderrano M, Kim Y-H, Yashima M, Wu TJ, Karagueuzian HS, Chen P-S: Obstacle-induced transition from ventricular fibrillation to tachycardia in isolated swine right ventricles: High density mapping of the transition dynamics and implications for the critical mass. J Am Coll Cardiol. 2000;36(6):2000-2008.

15. Yashima M, Ohara T, Cao JM, Kim Y-H, Fishbein MC, Mandel WJ, Chen PS, Karagueuzian HS: Nicotine increases ventricular vulnerability to fibrillation in hearts with healed myocardial infarction. Am J Physiol Heart Circ Physiol 2000;278(6):H2124-2133.

16. Lim DS, Kim Y-H, Lee HS, Park CG, Seo HS, Shim J, Oh DJ, Ro RM: Coronary flow reserve is reflective of myocardial perfusion status in acute anterior myocardial infarction. Cathet. Cardiovasc. Intervent 2000;51(3):281-286.

17. Chen PS, Karagueuzian HS, Kim Y-H: Papillary Muscle hypothesis of idiopathic left ventricular tachycardia. J Am Coll Cardiol 2001;37(5):1475-1476.

18. Wu TJ, Kim Y-H, Yashima M, Athill CA, Ting CT, Karagueuzian HS, Chen PS: Progressive action potential duration shortening and the conversion from atrial flutter to atrial fibrillation in the isolated canine right atrium. J Am Coll Cardiol. 2001 Nov 15:38(6)1757-65.

19. Kim BS, Kim Y-H, Hwang GS, Pak HN, Lee SC, Shim WJ, Oh DJ, Ro YM: Action potential duration restitution kinetics in human atrial fibrillation. J Am Coll Cardiol 2002;39(8):1329-1336.

20. Hamzei A, Ohara T, Kim Y-H, Lee MH, Voroshilovski O, Lin SF, Weiss JN, Chen PS, Karagueuzian HS. The role of approximate entropy in predicting ventricular defibrillaton threshold. J Cardiovasc Pharmacol Ther. 2002 Jan;7(1):45-52.

21. Yashima M, Kim Y-H, Armin S, Wu TJ, Miyauchi Y, Mandel WJ, Chen PS, Karagueuzian HS : On the mechanism of the probabilistic nature of ventricular defibrillation threshold. Am J Physiol Heart Circ Physiol 2003 Jan;284(1):H249-55

22. Kim Y-H, Rha SW, Park SW, Park SM, Pak H-N, Lim DS, Shim WJ, Ro YM. Noncontact mapping guided catheter ablation of atrial fibrillation. J Am Coll Cardiol 2004 (Submitted).

23. Pak H-N, Hong SJ, Hwang C, Kim Y-H. Twin AV node associated with interruption of inferior vena cava with azygos continuation. J Cardiovasc Electrophysiol. 2004;[submitted].
24. Pak H-N, Hong SJ, Hwang GS, Lee HS, Park SW, Lim DS, Shim WJ, Ro YM, Kim Y-H. Spatial dispersion of action potential duration restitution kinetics predicts the induction of ventricular tachycardia/fibrillation in humans. J Cardiovasc Electrophysiol. 2004; [Revising]

25. Kim Y-H, Lee JH, Lim do S, Shim WJ, Ro YM, Park GH, Becker KG, Cho-Chung YS, Kim MK. Gene expression profiling of oxidative stress on atrial fibrillation in humans.
Exp Mol Med. 2003;31;35(5):336-49.

26. Pak H-N, Hong SJ, Hwang GS, Lee HS, Park SW, Lim DS, Shim WJ, Ro YM, Kim Y-H. Spatial dispersion of action potential duration restitution kinetics predicts the induction of ventricular tachycardia/fibrillation in humans. J Cardiovasc Electrophysiol. 2004; 15(12):1357-63. [IF 2.88]

27. Hong SJ, Lim DS, Seo HS, Kim Y-H, Shim WJ, Park CG, Oh DJ, Ro YM: Percutaneous coronary intervention with drug-eluting stent implantation vs. minimally invasive direct coronary artery bypass (MIDCAB) in patients with left anterior descending coronary artery stenosis. Catheter Cardiovasc Interv. 2005;64(1):75-81. [IF 1.519]

28. Park SM, Shim WJ,. Ahn JC, Lim DS, Kim Y-H, Ro YM. Changes of coronary blood flow in vasospastic angina under cold stimulation by transthoracic doppler echocardiography. J Korean Med Sci. 2005;20(2):204-8. [IF 0.633]

29. Pak H-N, Lim HE, Kim Y-H. Atrial tachycardia originated from coronary sinus ostium dissociated with fibrillation activity inside persistent left superior vena cava. Heart Rhythm. 2005;2(3):333.

30. Yoon JH, Min BG, Kim Y-H, Shim WJ, Ro YM, Lim DS. Differentiation, engraftment and functional effects of pre-treated mesenchymal stem cells in a rat myocardial infarct model. Acta Cardiol. 2005;60(3):277-84.

31. Hong SJ, Lim DS, Kim Y-H, Shim WJ, Park CG, Seo HS, Oh DJ, Ro YM. Chest stab wound-related coronary artery pseudoaneurysm sealed with a polytetrafluoroethylene-covered stent. Heart Vessels. 2005;20(5):233-5.

32. Lim HE, Pak HN, Shin SH, Cho SB, Sun K, Kim Y-H. Collagen plug device-related femoral artery complication visualized by femoral angiography. Int J Cardiol. 2006;106(1):128-9.

33. Lim HE, Pak H-N, Kim Y-H. Epicardial ablation of ventricular tachycardia associated with isolated ventricular non-compaction. PACE 2006;29(7):797-9.

34. Lim HE, Pak H-N, Jung HC, Kim JS, Shim WJ, Kim Y-H. Electrocardiographic manifestations of cardiac metastasis in lung cancer. PACE 2006;29(9):1019-21.

35. Pak H-N, Hong SJ, Hwang C, Kim Y-H. Twin AV node associated with interruption of inferior vena cava with azygos continuation. J Electrocardiology. 2006;39(4):400-3.

36. Lim HE, Pak H-N, Kim Y-H. Acute myocarditis associated with cardiac amyloidosis manifesting as transient complete atrioventricular block and slow ventricular tachycardia. Internat J Cardiol. 2006;109:395-397.

37. Pak H-N, Hwang C, Lim HE, Kim JW, Lee HS, Ro YM, Kim Y-H. Electroanatomic characteristics of atrial premature beats triggering atrial fibrillation in patients with persistent versus paroxysmal atrial fibrillation. J Cardiovasc Electrophysiol. 2006;17(8):818-824.

38. Pak H-N, Kim Y-H, Lim HE, Chou CC, Miyauchi Y, Fang YH, Sun K, Hwang C, Chen P-S. Ro of the Posterior papillary muscle as an anchor to the reentrant wavefronts during ventricular fibrillation in open chest dogs and swine: effects of catheter ablation. J Cardiovasc Electrophysiol. 2006;17(7):777-783.

39. Kim Y-H, Lim HE, Pak HN. Use of three-dimensional mapping systems in the catheter ablation of atrial fibrillation. J Cardiovasc Electrophysiol. 2006;17:S16-22.

40. Lim HE, Pak HN, Ahn JC, Song WH, Kim Y-H. Torsade de pointes induced by short-term oral amiodarone therapy. Europace. 2006;8(12):1051-3.

41. Rha SW, Kim Y-H, Hong MK, Ro YM, Choi CU, Suh SY, Kim JW, Kim EJ, Park CG, Seo HS, Oh DJ. Mechanisms responsible for the initiation and maintenance of atrial fibrillation assessed by non-contact mapping system. Int J Cardiol. 2007 Apr 13; [Epub ahead of print]

42. Pak H-N, Hwang C, Lim HE, Kim JS, Kim Y-H. Hybrid epicardial and endocardial ablation of persistent or permanent atrial fibrillation : New approach for difficult cases. J Cardiovasc Electrophysiol. 2007:18(9):917-23.

43. Pak H-N, Kim JS, Shin SY, Lee HS, Choi JI, Lim HE, Chun Hwang, Kim Y-H. Is Empirical Four Pulmonary Vein Isolation Necessary for Focally Triggered Paroxysmal Atrial Fibrillation?: Comparison of Selective Pulmonary Vein Isolation vs. Empirical Four Pulmoanry Vein Isolation. J Cardiovasc Electrophysiol. 2007;[Accepted]

44. Park MY, Shin SH, Oh WJ, Lim HE, Pak HN, Lim DS, Kim Y-H, Ro YM, Shim WJ. The prognostic implication of left atrial appendage mechanical reserve after cardioversion of atrial fibrillation. Circ J. 2008;72(2):256-61.

45. Choi JI, Park SM, Park JS, Hong SJ, Pak HN, Lim DS, Kim Y-H, Shim WJ. Changes in Left Atrial Structure and Function After Catheter Ablation and Electrical Cardioversion for Atrial Fibrillation. Circ J. 2008;[In Press]

46. Choi JI, Pak HN, Kim Y-H. Hybrid epicardial and endocardial catheter ablation in patients with atrial fibrillation and suspicious left atrial thrombus. Circ J. 2008;[In Press]

47. Pak HN, Kim GI, Lim HE, Fang YH, Choi JI, Kim JS, Hwang C, Kim Y-H. Both Purkinje cells and left ventricular posteroseptal reentry contribute to the maintenance of ventricular fibrillation in open chest dogs and swine: effects of catheter ablation and cut and sew operation. Circ J. 2008;[In Press]

48. Shin SH, Park MY, Oh WJ, Hong SJ, Pak HN, Song WH, Lim DS, Kim Y-H, Shim WJ. Left atrial volume is a predictor of atrial fibrillation recurrence after catheter ablation. J Am Soc Echocardiogr. 2008;[In Press]

49. Nam MH, Roh KH, Pak HN, Lee CK, Kim Y-H, Lee KN, Cho Y. Evaluation of the Roche CoaguCheck XS handheld coagulation analyzer in a cardiac outpatient clinic. Ann Clin Lab Sci. 2008;38:37-40.

50. Choi JI, Pak HN, Kim Y-H. Recurrent syncope 20 years after mediastinal radiation therapy in a patient with breast cancer. Circ J. 2008.[In Press]