Clinical Focus

  • Cardiac Electrophysiology
  • Clinical Cardiac Electrophysiology

Academic Appointments

Administrative Appointments

  • Associate Fellowship Director, Stanford University (2014 - 2016)

Honors & Awards

  • Chief Fellow - Cardiovascular Medicine, Stanford University Medical Center (2009-2010)
  • Outstanding Clinical Fellow - Cardiovascular Medicine, Stanford University Medical Center (2009)
  • Postdoctoral Fellowship Award (deferred), American Heart Association, Western States Affiliate (07/2009-06/2011)
  • F32 Ruth L. Kirschstein National Research Service Award, NIH (07/2009-06/2011)

Professional Education

  • Board Certification, Clinical Cardiac Electrophysiology, American Board of Internal Medicine (2013)
  • Fellowship, Clinical Cardiac Electrophysiology, Stanford University (2013)
  • Board Certification, Cardiovascular Disease, American Board of Internal Medicine (2011)
  • Fellowship, Cardiovascular Medicine, Stanford University (2010)
  • Board Certification, Internal Medicine, American Board of Internal Medicine (2006)
  • Residency, Internal Medicine, Stanford University (2006)
  • MD, New York University School of Medicine, NY (2003)
  • BA, Harvard University, MA (1998)

Research & Scholarship

Clinical Trials

  • Attain Performa(TM) Quadripolar Lead Study Recruiting

    The purpose of the study is to evaluate the safety and efficacy of the Medtronic Attain Performa Quadripolar Leads (Model 4298, 4398, and 4598) during and post the implant procedure. This study will also assess the interactions of the Attain Performa leads with the entire Medtronic CRT-D system.

    View full details


Graduate and Fellowship Programs


All Publications

  • Multicentre safety of adding Focal Impulse and Rotor Modulation (FIRM) to conventional ablation for atrial fibrillation. Europace Krummen, D. E., Baykaner, T., Schricker, A. A., Kowalewski, C. A., Swarup, V., Miller, J. M., Tomassoni, G. F., Park, S., Viswanathan, M. N., Wang, P. J., Narayan, S. M. 2017; 19 (5): 769-774


    Focal Impulse and Rotor Modulation (FIRM) uses 64-electrode basket catheters to identify atrial fibrillation (AF)-sustaining sites for ablation, with promising results in many studies. Accordingly, new basket designs are being tested by several groups. We set out to determine the procedural safety of adding basket mapping and map-guided ablation to conventional pulmonary vein isolation (PVI).We collected 30?day procedural safety data in five US centres for consecutive patients undergoing FIRM plus PVI (FIRM-PVI) compared with contemporaneous controls undergoing PVI without FIRM. A total of 625 cases were included in this analysis: 325 FIRM-PVI and 300 PVI-controls. FIRM-PVI patients were more likely than PVI-controls to be male (83% vs. 66%, P?

    View details for DOI 10.1093/europace/euw377

    View details for PubMedID 28339546

  • Phototactic guidance of a tissue-engineered soft-robotic ray SCIENCE Park, S., Gazzola, M., Park, K. S., Park, S., Di Santo, V., Blevins, E. L., Lind, J. U., Campbell, P. H., Dauth, S., Capulli, A. K., Pasqualini, F. S., Ahn, S., Cho, A., Yuan, H., Maoz, B. M., Vijaykumar, R., Choi, J., Deisseroth, K., Lauder, G. V., Mahadevan, L., Parker, K. K. 2016; 353 (6295): 158-162


    Inspired by the relatively simple morphological blueprint provided by batoid fish such as stingrays and skates, we created a biohybrid system that enables an artificial animal--a tissue-engineered ray--to swim and phototactically follow a light cue. By patterning dissociated rat cardiomyocytes on an elastomeric body enclosing a microfabricated gold skeleton, we replicated fish morphology at 1/10 scale and captured basic fin deflection patterns of batoid fish. Optogenetics allows for phototactic guidance, steering, and turning maneuvers. Optical stimulation induced sequential muscle activation via serpentine-patterned muscle circuits, leading to coordinated undulatory swimming. The speed and direction of the ray was controlled by modulating light frequency and by independently eliciting right and left fins, allowing the biohybrid machine to maneuver through an obstacle course.

    View details for DOI 10.1126/science.aaf4292

    View details for Web of Science ID 000379208400036

    View details for PubMedID 27387948

  • Pacemaker Therapy in Atrial Fibrillation Journal of Cardiology and Vascular Medicine Park, S., Wang, P. J., Zei, P. C., Hsia, H. H., Turakhia, M., Perez, M. V., Al-Ahmad, A. 2013; 1: 1-7
  • Hemodynamic Monitoring A Practical Approach to Cardiovascular Medicine Shirley Park & Euan Ashley, Reza Ardehali, Paul J. Wang, Marco Perez (eds, ) 2011: Chapter 26
  • Optical Control of Cardiomyocyte Depolarization and Inhibition Utilizing Channelrhodopsin-2 (ChR2) and a Third Generation Halorhodopsin (eNpHR3.0) Circulation Shirley Park, Ragu Vijaykumar, Paul G. Yock, Paul J. Wang, Karl Deisseroth 2010; 122 (21): A14882
  • Two Hsp70 family members expressed in atherosclerotic lesions PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA Han, Z. H., Truong, Q. A., Park, S., Breslow, J. L. 2003; 100 (3): 1256-1261


    Gene expression profiling was carried out comparing Con A elicited peritoneal macrophages from C57BL6 and FVBN wild-type and apolipoprotein (apo)E knockout mice. An EST, was expressed at higher levels in C57BL6 compared with FVBN mice. mapped to an atherosclerosis susceptibility locus on chromosome 19 revealed in an intercross between atherosclerosis-susceptible C57BL6 and atherosclerosis-resistant FVBN apoE knockout mice. A combination of database search and Northern analysis confirmed that corresponded to 3'-UTR of a hitherto predicted gene, named HspA12A. Blasting the National Center for Biotechnology Information database revealed a closely related homologue, HspA12B. HspA12A and -B have very close human homologues. TaqMan analysis confirmed the increased HspA12A expression (2.6-fold) in elicited peritoneal macrophages from C57BL6 compared with FVBN mice. TaqMan analysis also revealed increased HspA12A and HspA12B expression (87- and 6-fold, respectively) in lesional versus nonlesional portions of the thoracic aorta from C57BL6 apoE knockout mice on a chow diet. In situ hybridization confirmed that both genes were expressed within lesions but not within nonlesional aortic tissue. Blasting of HspA12A and HspA12B against the National Center for Biotechnology Information database (NR) revealed a hit with the Conserved Domain database for Hsp70 (pfam00012.5, Hsp70). Both genes appear to contain an atypical Hsp70 ATPase domain. The BLAST search also revealed that both genes were more similar to primitive eukaryote and prokaryote than mammalian Hsp70s, making these two genes distant members of the mammalian Hsp70 family. In summary, we describe two genes that code for a subfamily of Hsp70 proteins that may be involved in atherosclerosis susceptibility.

    View details for DOI 10.1073/pnas.252764399

    View details for Web of Science ID 000180838100088

    View details for PubMedID 12552099

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