1. Anatomical Considerations of Hemopericardium during the Ablation of Atrial Fibrillation. 3rd Asian-Pacific Atrial Fibrillation Symposium. Oct. 20, 2007;Taipei, Taiwan

2. Imaging Negative Atrioesophageal Fistula After Catheter Ablation of Atrial Fibrillation. 3rd Asian-Pacific Atrial Fibrillation Symposium. Oct. 19, 2007;Taipei, Taiwan

3. Aortic Cusp Origin Arrhyhmias. Hong-Kong Seoul Case Join Conference of Arrhythmia. Oct. 19, 2007, Seoul, Korea.

4. Mesenchymal stem cell therapy and sudden cardiac death. 8th Taipei-Tokyo-Seoul Arrhythmia Conference. Sep 29, 2007; Tokyo, Japan.

5. Ventricular tachycardia in cardiomyopathy. Cardiorhythm 2007. Feb 04, 2007, Hong-Kong

6. EnSite guided superior vena cava isolation in arial fibrillation: technique and results. 2nd Asian-Pacific Atrial Fibrillation Symposium. Nov. 2006;Tokyo, Japan

7. Both posterior papillary muscle and Purkinje network contribute the maintenance of VF in open chest dogs and swine. 7th Taipei-Tokyo-Seoul Arrhythmia Conference. Oct. 2006; Taipei, Taiwan.

8. Catheter ablation of premature ventricular contractions; Why, When, and How? 10th Korea University Arrhythmia Symposium. June. 2006; Seoul, Korea.

9. Can virtual FFT prove driving mechanisms of atrial fibrillation? 1st Asian-Pacific Atrial Fibrillation Symposium. Dec. 2005; Seoul, Korea.

10. Papillary muscle and Purkinje in the therapy of ventricular fibrillation. 9th Korea University Arrhythmia Symposium. June. 2005; Seoul, Korea

11. Mapping and ablation of ventricular fibrillation in animal model. Professor Wu’s Memorial Symposium

12. Mechanisms and advanced management of cardiac tachyarrhythmia. Nov. 2003;Taipei, Taiwan.