University of California, Riverside

School of Medicine

Ramdas G. Pai

Dr. Ramdas G. Pai

Professor - Cardiology
Chair of the Division of Clinical Sciences and Department of Internal Medicine

Dr. Ramdas Pai

Medical Office

St. Bernardine Medical Center
2102 N. Waterman Ave.,
San Bernardino, Calif. 92404
(909) 558-4000

Academic Office

School of Medicine Education Building
Room 2619
University of California, Riverside
Riverside, Calif. 92521
(951) 827-3931

If you are a patient, please do not use this email address.
Contact the medical office by telephone.

Education and Training

  • Fellowship, Cardiology, Loma Linda University Medical Center, Loma Linda, California
  • Internship in Medicine, Downstate/Kings County Hospital, Brooklyn, New York
  • Fellowship, Cardiology, Loma Linda University Medical Center, Loma Linda, California
  • Residency, Internal Medicine, Kasturba Medical College Hospitals, Mangalore, India
  • M.D., Kasturba Medical College, Manipal, University of Mysore, India
  • M.B.B.S., Kasturba Medical College, Manipal, University of Mysore, India


Dr. Ramdas G. Pai, M.D., is professor at the University of California, Riverside School of Medicine and director of the school's Cardiovascular Fellowship Program as well as the director of cardiac imaging at the St. Bernardine Medical Center in San Bernardino, California. He is also a professor of medicine at the Loma Linda University School of Medicine.

Pai began his medical career in India, earning his M.B.B.S. and M.D. at Kasturba Medical College in Manipal,
India, then went on to complete residencies in India, the United Kingdom, and New York.

He joined the staff at Loma Linda University Medical Center in 1987, eventually becoming the director of integrated cardiac imaging. During his tenure he helped to conceive and build the LLU Heart and Imaging Center. He joined the St. Bernardine Medical Center as director of cardiac imaging in 2015.

Pai has been a professor of medicine at both the Loma Linda University School of Medicine and the USC-Keck School of Medicine. He has written six books and contributed to more than 170 publications.

He is a fellow of the Royal College of Physicians, a fellow of the American College of Cardiology, a member of the Clinical Council of the American Heart Association, a fellow and vice president of the International College of Angiology, a fellow of the American Society of Echocardiography, and a founding member of the Society of Cardiovascular MRI. He is also a member of the research committee of the American Society of Echocardiography.

Research Interests

Pai's recent research included a grant to research stereotactic proton beam ablation of cardiac arrhythmis. He was also co-investigator on a NIH-funded grant for the STICH CMR Core lab.


  • Outstanding Mentor in Research, Department of Medicine, Loma Linda University School of Medicine, 2013
  • Recognition for outstanding contributions to cardiology, American Association of Cardiologists of Indian Origin, 2008.
  • Citation for outstanding contributions to research, North American Konkani Association, USA, 2004.
  • Citation for outstanding contributions to research 1992­99, Loma Linda University, 1999.
  • Outstanding fellow in Cardiology, Loma Linda University Medical Center, 1992.
  • American Heart Association Research Fellow, Greater Los Angeles Affiliate, 1987­-88.
  • National Award for research on Renin Profile in Hypertension, Council on Scientific and  Industrial Research, 1979­-82.

Selected Recent Publications

  • Pasca I, Dang P, Tyagi G, Pai RG. Survival in Patients With Degenerative Mitral Stenosis: Results From a Large Retrospective Cohort Study. J Am Soc Echo 2016 (in press)
  • Varadarajan P, Pai RG. Reply: To "Echocardiography in ASD and PFO" PMID 24888883. Echocardiography. 2015 Sep;32(9):1453-4. doi: 10.1111/echo.13019. PMID: 26332697
  • Shafter A, Sethi P, Mukherji A, Pai RG. Use of Unique Doppler Flow Pattern For the Diagnosis of Left Ventricular Diverticulum. Echocardiography 2015 (in press).
  • Ribeiro P, Sehgal S, Carlos K, Ribeiro P, Pai RG. Desirable characteristics of consulting cardiologists for sustained referrals by primary care physicians. International Cardiovascular Forum Journal 2015 (in press).
  • Pai RG. Echocardiography Laboratory Accreditation: Pains and Pleasures. Echocardiography 2015 (in press).
  • Yaramada P, Pai RG. Markers of Atrial Myopathy: Widening the Echocardiographic Window For Early Detection of Myocardial Disease (Editorial comment). Echocardiography 2015 (in press).
  • Wu PR, Horwith A, Ma S, Parikh M, Tyagi G, Pai RG. High Output Cardiac Failure Due to Hereditary Hemorrhagic Telangiectasia: A Case of an Extra-Cardiac Left to Right Shunt. Int J Angiol 2015 (in press).
  • Aftab W, Motabar A, Varadarajan P, Deedwania P, Pai RG. Survival Benefit of Statins in Hemodialysis Patients Awaiting Renal Transplantation. Int J Angiol 2015; Jun;24(2):105-12. doi: 10.1055/s-0035-1547373. PMID: 26060381
  • Pai RG. Right Ventricular Function Measures As Biomarkers of Diabetic Cardiomyopathy (Editorial Comment). J Am Soc Echocardiogr. 2015 Mar;28(3):328-9. doi: 10.1016/j.echo.2015.01.005.
  • Krishnan S, Verma S, Cheng M, Krishnan R, Pai RG. Left Ventricular Septolateral Mechanical Delay Is Associated
  • With Reduced Long Term Survival Independent of QRS Duration in Patients With Systolic Heart Failure: Nine Year Outcome in 119 Patients. Echocardiography 2015 Feb 13. doi: 10.1111/echo.12904.
  • Tyagi G, Dang P, Pasca I, Patel R, Pai RG. Progression of Degenerative Mitral Stenosis: Insights From a Cohort of 254 Patients. J Heart Valve Dis. 2014 Nov;23(6):707-12
  • Pai RG. Book review on Complex cases in Echocardiography. Au Siegel RJ et al. In Echocardiography 2014;
  • Pai RG. One More Measure of Aortic Regurgitation (Editorial comment). Echocardiography 2014 Nov 21. doi: 10.1111/echo.12724
  • Pai RG. Invited commentary. Ann Thorac Surg. 2014 Mar;97(3):809-10
  • Aftab W, Rasool S, Varadarajan P, Pai RG. Predictors and Prognostic Implications of Major Adverse Cardiovascular Events After Renal Transplant: Ten Year Outcomes in 321 Patients. Int J Angiol. 2014 Jun;23(2):131-8. doi: 10.1055/s-0034-1372248.
  • Zough F, Tafreshi J, Pai RG. Dabigatran versus Warfarin in Patients with Mechanical Heart Valves (priority report). Future Cardiol 2014; 10: 19-22.
  • Hari P, Pai RG, Varadarajan P. Patent Foramen Ovale and Atrial Septal Defect. Echocardiography. 2014 May 29. doi: 10.1111/echo.12625.
  • Swamy P, Bharadwaj A, Varadarajan P, Pai RG.Tetralogy of Fallot. Echocardiography. 2014 May 29. doi: 10.1111/echo.12437
  • Pai RG. Echocardiography in Patients with Adult Congenital Heart Disease. Echocardiography. 2014 May 29. doi: 10.1111/echo.12337

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