Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Bowden DM, Dubach MF, Snyder II RW, Askaris, German DC. Three-Dimensional Computer Analysis of MPTP-Induced Dopaminergic Cell Loss in the Monkey. Neuroscience Abstracts 9:166, 1985
Fellowship, Cardiovascular Disease: University of Texas Southwestern Medical Center, Dallas, TX
Residency, Internal Medicine: Northwestern University Medical Center, Chicago, IL
Medical School, MD Degree: Magna Cum Laude; Ohio State University College of Medicine, Columbus, OH
Undergraduate: Johns Hopkins University. BA in Biology and Economics, with honors, Baltimore, MD
PUBLICATIONS/MEDIA:
Sharma S, Raman S, Benjamin S et al. Anterior wall viability and low ejection fraction predict functional improvement after CABG. Journal of Surgical Research 2011; 171:416-21.
Groh C, Sharma S, Pelchovitz DJ et al. Use of an electrocardiographic screening tool to determine candidacy for a subcutaneous implantable cardioverter-defibrillator. Heart Rhythm. 2014; 11:1361-6.
Reis JP, Allen N, Barone-Gibbs B, Lee J, Lewis C.E, Lima J, Lloyd-Jones D, Loria CM, Powell-Wiley TM, Sharma S, Wei GS, Liu K. Association of the degree of adiposity and duration of obesity with measures of cardiac structure and function: The CARDIA Study. Obesity. 2014; 22: 2434-40.
Sharma S, Colangelo LA, Lima J et al. Effects on cardiac remodeling of weight and weight change over 20 years: The Coronary Artery Risk Development in Young Adults Study (CARDIA). JACC. 2015; 65: 2463-5.
Sharma S, Colangelo LA, Allison MA et al. Association of serum leptin with future left ventricular structure and function: The Multi-Ethnic Study of Atherosclerosis (MESA). Int J Cardiol. 2015; 193: 64-68.
Sharma S, Colangelo LA, Lloyd-Jones D, Jacobs DR, Gross MD, Gidding SS, Greenland P. Longitudinal associations between adiponectin and cardiac structure differ by hypertensive status: Coronary Artery Risk Development in Young Adults (CARDIA). Cardiovascular Endocrinology. 2016; 5; 57-63.
You C, Sharma S, Bavishi A et al. Dialytic interval and the timing of electrocardiographic screening for subcutaneous cardioverter-defibrillator placement in chronic hemodialysis patients. J Interv Card Electrophysiol. Epub ahead of print
NATIONAL ABSTRACT/POSTER PRESENTATIONS:
Sharma S, Raman S, Sun B et al. Characteristics of patients that show improvement in left ventricular ejection fraction after a coronary artery bypass graft. American College of Surgeons Medical Student Program. October 2009, Chicago, IL.
Sharma S, Raman S, Sun B et al. Characteristics of patients showing improvement in left ventricular ejection fraction after surgical revascularization. Academic Surgical Congress. February 2010, San Antonio, TX.
Sharma S, Firstenberg M, Phillips G et al. Cardiac magnetic resonance predictors of left ventricular functional improvement after mitral valve repair for cardiomyopathy. American Heart Association Scientific Sessions. November 2011, Orlando, FL.
Sharma S, Colangelo L, Lima J et al. Longitudinal effects of obesity on cardiac remodeling: Coronary Artery Risk Development in Young Adults (CARDIA). American College of Cardiology Scientific Sessions. March 2014, Washington DC.
Sharma S, Colangelo L, Lima J et al. Association of leptin with cardiac remodeling: Coronary Artery Risk Development in Young Adults (CARDIA). American College of Cardiology Scientific Sessions. March 2014, Washington DC.
Friedman J, Sharma S, Katz DH et al. Stem cell transplantation is associated with prolonged recurrence-free survival in patients with cardiac AL amyloidosis. American College of Cardiology Scientific Sessions. March 2014, Washington DC.
Sharma S, Colangelo L, Allison M et al. Serum leptin is associated with less adverse future left ventricular structure and function: The Multi-Ethnic Study of Atherosclerosis (MESA). American College of Cardiology Scientific Sessions. March 2015, San Diego, CA.
Aagard P, Sharma S, McNamara D et al. Risk of Arrhythmia and Conduction Disease in Former National Football League Players. American College of Cardiology Scientific Sessions. March 2018, Orlando, FL.
John E. Reuter and John C. Teeters, Chapter 18: Preoperative Cardiovascular Risk Assessment for Non-cardiac Surgery; Manual of Outpatient Cardiology; Editors JD Bisognano, R Beck, R Connell; Springer; 2012. 445-464
Michael W. Fong and John E. Reuter. Right Ventricular Tumor and Thrombus. Journal of the American College of Cardiology. 2008. 52(19):1598
Presentations:
Grand Rounds, Department of Medicine, University of Rochester. Transcatheter Aortic Valve Replacement for Severe Aortic Stenosis. November 13, 2012
ACC 2011 -- New Orleans, LA. External Multicenter Validation of the Mehran Risk Score for Contrast-Induced Nephropathy. April 4, 2011
Obagi A, Desai D, Mazahir U, Johnson D, Berger L. "Large Right Atrial Myxoma Presenting As Bilateral Pulmonary Embolism". Cureus. 2021 Jun 24;13(6):e15889. doi: 10.7759/cureus.15889. PMID: 34336411; PMCID: PMC8312776.
Obagi A, Tadepalli S, Reddy J, Cheriyath P, Okere A. "Complete Dissection of the Interventricular Septum Following Myocardial Infarction". Cureus. 2021 Jun 4;13(6):e15443. doi: 10.7759/cureus.15443. PMID: 34258112; PMCID: PMC8255049.
Ghetiya, S., Obagi, A., Calderon, D.. "‘Coughing Up Of Lung Tissue’: A Rare Case Of Plastic Bronchitis". Journal of the American College of Cardiology. 2017, Mar; 69(11): 2222.
Obagi, A., Ghetiya, S., Egnatovich, J., Heckkanellidis, J., Carson. M.,. (2017, March 18). "Compliance And Bleeding Using Updated Aha And Acc Heparin Dosing Guidelines For Non St Elevation Myocardial Infarction Patients". Journal of the American College of Cardiology, Volume 69, Issue 11 Supplement, March 2017 DOI: 10.1016/S0735-1097(17)34592-8.
Asif, A., Ghetiya, S., Obagi, A., Calderon, D., Mehandru, S., Masud, A., Salman, L., Dhamija, R.. "Subcutaneous ICDs"
Obagi, A., Calderon, D., Youdelman, B. (January, 2017). "Infective Endocarditis With Mechanical Aortic And Mitral Valves Replacement Complicated By Spontaneous Ascending Aortic Dissection And Rupture 20 Years Later". Poster presented at: MiamiValves; Miami, FL.
Obagi, A., Ghetiya, S., Carson, M., Berger, L.. (2017, May). "Incidental Finding of Basaloid Squamous Cell Carcinoma of the Thymus During Nuclear Stress Test Using Technetium (99mTc) Sestamibi". Poster presented at: American Thoracic Society (ATS); Washington, DC.
Obagi, A., Kretov, A., Demchuk, B., Johnson, D., Girardi, L., Chinnici. A.,. (2019, May). "Unusual Presentation of Chronic Type A Aortic Dissection (CTAD)". Poster presented at: American Thoracic Society (ATS); Dallas, TX.
Obagi A., Mazahir, U., Johnson, D., Berger, L.,. (2019, May). "Right Atrial Myxoma Presenting with Pulmonary Embolism". Poster presented at: American Thoracic Society (ATS); Dallas, TX.
Mazahir, U., Obagi, A., Okere, A., and Simsir, S.,. (March, 2019). "A Complicated Case Of Triple Valve Endocarditis With Emboli Successfully Treated With Surgery". Poster presented at: American College of Cardiology; New Orleans, LA.
Ghetyia, S., Kalathil, S., Obagi, A., Mccourt, K., Asif, A., Calderon, D. "The Use of Renin-Angiotensin System Inhibitors and Aldosterone Receptor Antagonists in Heart Failure Patients with CKD". Poster presented at: American Society of Nephrology; New Orleans, LA.
Fellowship, Cardiovascular Disease: University of Texas Southwestern Cardiology Fellowship
Residency, Internal Medicine: University of Texas Southwestern Medical School at Dallas
Medical School, MD Degree: University of Texas Southwestern Medical School at Dallas
Undergraduate, B.S. Neurobiology: The University of Texas at Austin
HONORS/AWARDS:
UT Southwestern Alumni Scholarship (2010)
Phi Beta Kappa Honor Society / Sigma Alpha Lambda Honor Society (2009)
Walter B. Smith Jr. Scholarship (2008)
Gerlad Walker Memorial Scholarship, Scottish Rite Memorial Scholarship, Garland Rotary Club Scholarship, Garland Health Science Scholarship, National MS Society Scholarship, Garland HS Hockey Scholarship (2006)
Fellowship, Clinical Cardiac Electrophysiology: University of Chicago, Chicago, Illinois
Fellowship, Cardiology: University of Chicago, Chicago, Illinois
Postdoctoral Research Fellowship, Cardiology: University of Pittsburgh, Pittsburgh, Pennsylvania
Chief Resident, Internal Medicine: University of Pittsburgh Medical Center, McKeesport, Pennsylvania
Residency, Internal Medicine: University of Pittsburgh School of Medicine, McKeesport, Pennsylvania
Internship, Medicine, Surgery, Pediatrics, and Obstetrics and Gynecology: University College Hospital, Ibadan, Nigeria, Africa
Medical School, MD Degree: University of Ibadan, Ibadan, Oyo, Nigeria
National Diploma: Yaba College of Technology, Lagos, Nigeria, Africa, Major: Electrical/Electronic Engineering
HONORS/AWARDS:
Guardian Angel Award – University Medical Center Foundation (2018)
Best Abstract (Fellow) - Department of Medicine, University of Chicago Research Day (2012)
Best Research: Fellow-In-Training Research Day, American College of Cardiology (Illinois Chapter) (2012)
Clinical Cardiology Minority Travel Grant, American Heart Association (AHA) (2011)
Editorial Team Selection: One of the Must-Read Papers in Noninvasive Cardiac Imaging of the Month, ThePreparedMinds.com (2010)
PROFESSIONAL ASSOCIATIONS:
Heart Rhythm Society, 2012 - Present
Heart Rhythm Society, Fellow, 2017 - Present
Heart Rhythm Society, Associate, 2012 - 2017
American College of Cardiology, 2010 - Present
American College of Cardiology, Fellow, 2017 - Present
American College of Cardiology, Associate, 2010 - 2017
PUBLICATIONS/MEDIA:
Articles and Case Reports - Peer Reviewed
Orellana-Barrios M, Sotello Aviles DA, Oyenuga O, Nugent KM. Implantable cardiac defibrillator infections: The emerging importance of Mycobacterium fortuitum. BMJ Case Rep., September 2017. PubMed Central ID Number: 28928258.
Adegunsoye A, Levy M, Oyenuga O. Novel therapeutic strategies for reducing right heart failure associated mortality in fibrotic lung diseases. BioMed Research International 16, 2015.
Onishi T, Onishi T, Marek JJ, Ahmed M, Haberman SC, Oyenuga O, Adelstein E, Schwartzman D, Saba S, Gorcsan J. Mechanistic features associated with improvement in mitral regurgitation after cardiac resynchronization therapy and their relation to long-term patient outcome. Circ Heart Fail, 6(4): 685-93, July 2013. PubMed Central ID Number: 23733917.
Saba S, Marek J, Schwartzman D, Jain S, Adelstein E, White P, Oyenuga O, Onishi T, Soman P, Gorcsan J. Echocardiography-guided left ventricular lead placement for cardiac resynchronization therapy: results of the Speckle Tracking Assisted Resynchronization Therapy for Electrode Region trial. Circ Heart Fail, 6(3): 427-34, May 2013. PubMed Central ID Number: 23476053.
Saba S, Schwartzman D, Jain S, Adelstein E, Marek J, White P, Oyenuga O, Soman P, Gorcsan J. Late breaking clinical trials HRS 2012: A prospective randomized controlled study of Echocardiographic-guided Lead Placement for Cardiac Resynchronization Therapy: Results of the STARTER trial. Heart Rhythm Journal, 9(9): 1581-1582, 2012.
Hara H, Oyenuga O, Tanaka H, Adelstein EC, Onishi T, McNamara DM, Schwartzman D, Saba S, Gorcsan J. The relationship of QRS morphology and mechanical dyssynchrony to long-term outcome following cardiac resynchronization therapy. Eur. Heart J., 33(21): 2680-91, November 2012. PubMed Central ID Number: 22351700.
Oyenuga O, Onishi T, Gorcsan J. A practical approach to imaging dyssynchrony for cardiac resynchronization therapy. Heart Fail Rev, 16(4): 397-410, June 2011. PubMed Central ID Number: 21152974
Gorcsan J, Oyenuga O, Habib PJ, Tanaka H, Adelstein EC, Hara H, McNamara DM, Saba S. Relationship of echocardiographic dyssynchrony to long-term survival after Cardiac Resynchronization Therapy. Circulation, 122(19): 1910-8, November 2010. PubMed Central ID Number: 20975000.
Tanaka H, Nesser H-J, Buck T, Oyenuga O, Jánosi RA, Winter S, Saba S, Gorcsan J. Dyssynchrony by speckle-tracking echocardiography and response to Cardiac Resynchronization Therapy: Results of the Speckle Tracking and Resynchronization (STAR) study. Eur. Heart J., 31(14): 1690-700, July 2010. PubMed Central ID Number: 20530502.
Oyenuga O, Hara H, Tanaka H, Kim H-N, Adelstein EC, Saba S, Gorcsan J. Usefulness of echocardiographic dyssynchrony in patients with borderline QRS duration to assist with selection for Cardiac Resynchronization Therapy. JACC Cardiovasc Imaging, 3(2): 132-40, February 2010. PubMed Central ID Number: 20159638
Odelola A, Oyenuga O, Ibrahim O, Onasanya O. Gestational trophoblastic disease. Dokita, 28(Reproductive Health Edition 2001): 47-51, 2001.
Abstracts - Peer Reviewed
Beaser AD, Cunnane RT, Ewulonu N, Moss JD, Burke MC, Vatterott PJ, Upadhyay GA, Broman MT, Oyenuga O, Green JJ, Ringwala S, Nayak HM. Degree of ICD lead adherence as assessed by intravascular ultrasound predicts difficulty of extraction. Heart Rhythm Journal, 12(5): AB08-05, May 2015.
Sparano DM, Ericson K, Cunnane R, Oyenuga O, Sheth H, Burke M, Moss J, Nayak H. Early re-implantation after infected cardiac implantable electronic device extraction is safe and reduces length of stay. Hearth Rhythm Journal, (11): PO03-49, 2014.
Oyenuga O, Shin JH, Cunnane R, Sparano DM, Sheth H, Nayak HN, Burke M, Moss JD. Prognostic implicaton of tricuspid regurgitation after cardiac resynchronization therapy in preventing progression of heart failure. Hearth Rhythm Journal, (11): PO04-181, 2014.
Cunnane R, Das A, Moss JD, Nayak HM, Oyenuga O, Sheth H, Sparano DM, Burke M. Single chest X-ray versus multi-angled fluoroscopy in identifying structural abnormalities in riata leads. Heart Rhythm Journal, (11): PO06-27, 2014.
Marek J, Saba S, Schwartzman D, Jain S, Adelstein EC, Oyenuga O, Onishi T, Gorcsan J. Echo-Guided Lead Placement benefits patients with QRS durations < 150 ms: Results from STARTER randomized controlled trial. Circulation, (126): A11933, 2012.
Oyenuga O, Onishi T, Onishi T, Haberman SC, Adelstein EC, Saba S, Gorcsan J. Acute reduction in mechanical dyssynchrony by speckle tracking strain after Cardiac Resynchronization Therapy is associated with long term outcome. Circulation, (124): A11337, 2011.
Hara H, Oyenuga O, Adelstein EC, Schwartzman D, Saba S, Gorcsan J. Electrical reverse remodeling associated with improvements in mechanical dyssynchrony and ventricular function after Cardiac Resynchronization Therapy. Circulation, (124): A11865, 2011.
Onishi T, Saha SK, Ludwig D, Onishi T, Oyenuga O, Schelbert EB, Schwartzman D, Gorcsan J. Global circumferential strain from routine cardiac magnetic resonance image analysis using a novel off-line approach: Comparison with echocardiographic strain and left ventricular ejection fraction. Circulation, (124): A11953, 2011.
Hara H, Oyenuga O, Tanaka H, Adelstein EC, McNamara D, Schwartzman D, Saba S, Gorcsan J. Impact of mechanical dyssynchrony on long term outcome in patients with non left bundle branch block after Cardiac Resynchronization Therapy. Circulation, (124): A11834, 2011.
Onishi T, Onishi T, Oyenuga O, Haberman SC, Saba S, Gorcsan J. Mitral regurgitation with mechanical dyssynchrony as a substrate associated with long-term survival after Cardiac Resynchronization Therapy. Circulation, (124): A9973, 2011.
Onishi T, Oyenuga O, Haberman SC, Onishi T, Adelstein EC, Saba S, Gorcsan J. The WISE Score: A new index for predicting outcome after Cardiac Resynchronization Therapy using simple clinical data. Circulation, (124): A11338, 2011.
Onishi T, Haberman SC, Oyenuga O, Onishi T, Tanaka T, Simon M, Champion H, Gorcsan J. Three dimensional speckle tracking strain evaluation of right ventricular mechanics in patients with pulmonary arterial hypertension. Circulation, (124): A11360, 2011.
Oyenuga O, Onishi T, Onishi T, Haberman SC, Saba S, Gorcsan J. Association of radial dyssynchrony assessed by six-segment standard deviation and long term outcome following Cardiac Resynchronization Therapy. J Am Soc of Echocardiolography, (24): B37, May 2011.
Onishi T, Oyenuga O, Haberman SC, Onishi T, Adelstein EC, McNamara DM, Gorcsan J. Associations of gender and degree of ventricular dilatation of long term survival after Cardiac Resynchronization Therapy. J Am Soc Echocardiolography, (24): B38, May 2011.
Haberman SC, Oyenuga O, Adelstein EC, Johnson L, Kim HN, Shroff S, Gorcsan J. The usefulness of a novel automated echocardiographic image analysis program to quantify dyssynchrony and predict long term survival after Cardiac Resynchronization Therapy. J Am Soc of Echocardiolography, (24): B37, May 2011.
Onishi T, Onishi T, Oyenuga O, Haberman SC, McNamara D, Gorcsan III J. Acute reduction in mitral regurgitation after Cardiac Resynchronization Therapy is associated with favorable long term outcome. J Am College of Cardiology, (57): E350, April 2011.
Onishi T, Onishi T, Oyenuga O, Haberman SC, Saba S, Gorcsan III J. Acute reduction in post-systolic shortening velocity is associated with response to Cardiac Resynchronization Therapy. J Am College of Cardiology, (57): E866, April 2011.
Hara H, Oyenuga O, Haberman SC, Adelstein EC, Saba S, Gorcsan III J. Impact of baseline QRS morphology combined with mechanical dyssynchrony on long-term survival after Cardiac Resynchronization Therapy. J Am College of Cardiology, (57): E99, April 2011.
Onishi T, Habib P, Oyenuga O, Haberman SC, Onishi T, Adelstein E, Saba S, Gorcsan J. Impact of left ventricular volumes on survival following Cardiac Resynchronization Therapy in patients with and without ischemic disease. J Am College of Cardiology, (57): E344, April 2011.
Onishi T, Onishi T, Oyenuga O, Haberman SC, Saba S, Gorcsan J. Predictors of improvement in mitral regurgitation in heart failure patients following Cardiac Resynchronization Therapy. J Am Society of Echocardiolography, (24): B39, April 2011.
Oyenuga O, Haberman SC, Onishi T, Onishi T, Adelstein W, Saba S, Gorcsan III J. Which echocardiographic marker of left ventricular response predicts long term survival after resynchronization therapy? J Am College of Cardiology, (57): E102, April 2011.
Oyenuga O, Habib PJ, Bachman T, Severyn D, Simon M, McNamara DM, Kormos R, Gorcsan J. Global circumferential strain predicts left ventricular recovery in heart failure patients on mechanical circulatory support. Circulation, (122): 15965, 2010.
Haberman SC, Habib PJ, Oyenuga O, Tanaka H, Adelstein E, Gorcsan J. Echocardiographic dyssynchrony by tissue doppler, speckle tracking and routine pulsed doppler are additive to predict survival following Cardiac Resynchronization Therapy. Circulation, (122): A12662, November 2010.
Oyenuga O, Habib HJ, Haberman SC, Tanaka H, Adelstein E, Saba S, Gorcsan J. Echocardiographic yu index along with degree of QRS widening predicts survival following Cardiac Resynchronization. Circulation, (122): A13016, November 2010.
Habib PJ, Oyenuga O, Haberman SC, Tanaka H, Adelstein E, Gorcsan J. QRS duration and radial dyssynchrony are associated with survival in patients with ischemic cardiomyopathy undergoing Cardiac Resynchronization Therapy. Circulation, (122): A12345, November 2010.
Habib PJ, Oyenuga O, Haberman SC, Tanaka H, Adelstein E, Onishi T, Gorcsan J. The degree of baseline radial dyssynchrony predicts long-term survival following Cardiac Resynchronization Therapy. Circulation, (122): A12369, November 2010.
Tanaka H, Oyenuga O, Habib P, Saba S, Gorcsan J. Association of short-term improvement in left ventricular torsion by Echocardiographic Speckle-Tracking with long-term outcome after Cardiac Resynchronization Therapy. J Am Soc of Echocardiolography, (23): B15, May 2010.
Habib PJ, Oyenuga O, Tanaka H, Haberman SC, Adelstein E, Gorcsan J. Novel transverse speckle tracking dyssynchrony predicts response to Cardiac Resynchronization Therapy. J Am Society of Echocardiolography, (23): B16, May 2010.
Oyenuga O, Habib P, Tanaka H, Adelstein E, Gorcsan J. Speckle tracking echocardiographic radial strain predicts survival in patients with narrower QRS duration following Cardiac Resynchronization. J Am Soc of Echocardiolography, (23): B15, May 2010.
Tanaka H, Oyenuga O, Habib P, Saba S, Gorcsan J. Three-dimensional speckletracking radial strain predicts ejection fraction response to Cardiac Resynchronization Therapy. J Am Society of Echocardiolography, (23): B17, May 2010.
Tanaka H, Oyenuga O, Habib P, Haberman SC, Saba S, Gorcsan J. Clinical and echocardiographic characteristics of heart failure patients with wide QRS but without mechanical dyssynchrony and their response to Resynchronization Therapy. J Am College of Cardiology, (55): A95.E897, March 2010.
Habib P, Oyenuga O, Tanaka H, Haberman SC, Adelstein EC, Gorcsan J. Echocardiographic dyssynchrony predicts survival following Cardiac Resynchronization Therapy. J Am College of Cardiology, (55): A84.E793, March 2010.
Haberman SC, Adelstein EC, Tanaka H, Oyenuga O, Habib P, Gorcsan J. Gender similarities in survival following Cardiac Resynchronization Therapy despite differences in patient characteristics. J Am College of Cardiology, (55): A4.E35, March 2010.
Tanaka H, Oyenuga O, Habib P, Adelstein EC, Gorcsan J. Multiplane speckle tracking imaging to quantify dyssynchrony and predict long-term outcome after Cardiac Resynchronization Therapy. J Am College of Cardiology, (55): A66.E621, March 2010.
Oyenuga O, Habib P, Tanaka H, Haberman SC, Adelstein EC, Saba S, Gorcsan J. Survival benefit from Cardiac Resynchronization Therapy in patients with borderline QRS duration. J Am College of Cardiology, (55): A3.E26, March 2010.
Tanaka H, Oyenuga O, Habib P, Saba S, Gorcsan J. Three-dimensional radial, circumferential and longitudinal speckle-tracking strain to quantify dyssynchrony. J Am College of Cardiology, (55): A78.E735, March 2010.
Hara H, Tanaka H, Oyenuga O, Kim HN, Schwartzman D, Saba S, Gorcsan J. Differences in dyssynchrony and ejection fraction response to Cardiac Resynchronization Therapy in patients with and without left bundle branch block. J Am Society of Echocardiolography, (22): 577, May 2009.
Hara H, Tanaka H, Oyenuga O, Kim HN, Schwartzman D, Saba S, Gorcsan J. Speckle tracking anteroseptal strain patterns predict response after Cardiac Resynchronization Therapy. J Am Society of Echocardiolography, (22): 581, May 2009.
Hideyuki H, Hidekazu T, Oyenuga O, Han-Na K, Schwartzman D, Gorcsan J. Comparison of dyssynchrony and response to Resynchronization Therapy in patients with intrinsic left bundle branch block to those with chronic right ventricular pacing. J Am College of Cardiology, (53): A135, March 2009.
Hideyuki H, Hidekazu T, Oyenuga O, Han-Na K, Schwartzman D, Gorcsan J. Improvements in repolarization following Cardiac Resynchronization Therapy are associated with ejection fraction response and improvements in mechanical dyssynchrony. J Am College of Cardiology, (53): A126, March 2009.
Hideyuki H, Oyenuga O, Hidekazu T, Han-Na K, Saba S, Gorcsan J. Additive value of interventricular mechanical delay to intraventricular dyssynchrony for predicting response to Cardiac Resynchronization Therapy. Circulation, (118): S_870, October 2008.
Han-Na K, Hideyuki H, Hidekazu T, Oyenuga O, Schwartzman D, Gorcsan J. Comparison of dyssynchrony in heart failure patients with narrow QRS to those with wide QRS: Implications for Resynchronization Therapy. Circulation, (118): S_869-S_870, October 2008.
Hidekazu H, Hideyuki H, Oyenuga O, Han-Na K, Schwartzman D, Gorcsan J. Degree of left ventricular dyssynchrony in heart failure patients is related to QRS width. Circulation, (118): S_780, October 2008.
Oyenuga O, Hideyuki H, Hidekazu T, Han-Na K, Saba S, Gorcsan J. Usefulness of echochardiographic measures of dyssynchrony in patients with borderline QRS duration for selection for Resynchronization Therapy. Circulation, (118): S_870, October 2008.
Onishi T, Onishi T, Oyenuga O, Haberman SC, Saba S, Gorcsan J. Relationship of post-systolic shortening to long-term survival after Cardiac Resynchronization Therapy. Circulation, 2011. (In Press)
Presentations/Exhibits/Productions
Oyenuga O. Electrical problems with the pump. Adavances in Heart Failure Management, Texas Tech University Health Sciences Center, 2018. (Peer Reviewed) Oyenuga O. Case Presentation National Meeting, American College of Cardiology (ACC), 2017.
Oyenuga O. Comparison of Simple Pulsed Doppler Measures of Global Dyssynchony to Predict Ejection Fraction Response to Cardiac Resynchronization Therapy., University of Pittsburgh Medical Center, McKeesport, Pennsylvania, May 2008.
Fellowship, Interventional Cardiology: Mount Sinai Hospital, New York, NY
Fellowship, Interventional Cardiology: University of Utah, Salt Lake City, UT
Fellowship, Cardiovascular Disease: University of Connecticut Health Center, Mansfield, CT
Residency, Internal Medicine: University of Connecticut Health Center, Mansfield, CT
Internship, Internal Medicine: University of Connecticut Health Center, Mansfield, CT
Medical School, MS Science: University of Connecticut, Mansfield, CT
Medical School, MBBS (MD): Gandhi Medical College, India
HONORS/AWARDS:
D Magazine’s 2025 Best Doctors in Collin County
Special/Best Interventional Fellow Award – 2012: awarded annually by Department of Interventional Cardiology, Mount Sinai Hospital.
Maxwell O Phelps Scholarship Award – 2007: awarded by the Dept. Of Medicine, Univ. Of Connecticut, for a skilled physician dedicated to excellence in scientifically-based medical care and to meticulous attention to the needs of the patients; a scholarly clinician who exhibits those qualities of character and dedication to the practice of medicine, consistent with the best traditions of the specialty of Internal Medicine.
First position in statewide (Connecticut) ACP's Medical Jeopardy-2005, 2006 & 2007 & sixth position in the Nationwide ACP's Medical Jeopardy-2005.
Program Director's letter of Appreciation for recognition of overall performance in the program in PGY1 (2004) & PGY2 (2005).
Hamilton Eaton Award-2002: awarded by the Dept. Of Nutrition, University of Connecticut, Storrs, for the best prospective PhD candidate.
Scholarship & Book Grant awarded in the X & IX National Science Talent Search Exam - 1994 and 1995, India.
PUBLICATIONS/AWARDS:
Molecular and Cellular Endocrinology Journal: Altered lipid catabolism in the vitamin A deficient liver. Hye Won Kang, Gautam Reddy Bhimidi, Daniel P. Odom, Pierre-Jacques Brun, Maria-Luz Fernandez and Mary M. McGrane. Volume 271, Issues 1-2, 15 June 2007, Pages 18-27
National Kidney Foundation: Rhabdomyolysis as Complication of Ehrlichiosis in a Renal Transplant Recipient. Roy Jhagroo, Nayan Gowda, Christine Vigneault, Gautam Bhimidi, Mathew Brown, Anne Lally, David Hull, and K. Vinay Ranga. Spring Clinical Meetings Abstracts April 10-14, 2007. Volume 49, Issue 4, Pages B1 - B24
The FASEB Journal, Experimental Biology 2004, Differential Gene Expression Associated with Vitamin A Deficiency and the Metabolic Outcome of Disrupted Lipid and Carbohydrate Metabolism. Gautam B Reddy, Daniel P. Odom, Kristy L. West, Maria-Luz Fernandez, Mary M. McGrane., Publication Date: 03 / 2004, Volume: 18, No: 4, Pages: A101, #103.3.
The FASEB Journal, Experimental Biology 2002, Localization of Retinoid Receptors and Nuclear Receptor Co regulators in Adult and Fetal Mouse Liver by Immunohistochemistry (IHC), Saheli Ghoshal, Daniel P. Odom, Gautam Bhimidi, Mary M. McGrane., Publication Date: 03 / 2002, Volume: 16, No. 4, Part I., Pages: A263, #216.8.
Circulation Journal Supplement 2011, Does angiographic coronary calcification predict future major adverse cardiovascular events independent of other risk factors, including coronary artery disease severity? Theophilus Owan, Heidi T. May, Gautam B. Reddy, Hussein N. Yamani, Shadi Karabesheh, Tami L. Bair, Patty Li, Jeffrey L. Anderson, Donald L. Lappé, Joseph B. Muhlestein. Volume 124, Issue 21 Supplement: November 22, 2011, #A14704
Aligeti Venkata R.; South Harry L.; Hirsh Jeffrey B.; et al. "Aorto-Right Atrial Fistula Following Transseptal Catheterization and Catheter Ablation for Atrial Fibrillation". Journal of Cardiovascular Electrophysiology Vol. 23. Issue 6 Pages 659-661. June 2012.
South, Harry; Bains Jujhar; Hirsh Jeffrey . "Unusual Complication of Pacemaker Implantation/Revision: Secondary Endocarditis Due to Fracture and Embolization of an Introducer Sheath". Catheterization and Cardiovascular Interventions. Vol 79. Issue 2, Page 339 – 343. February 2012.
South, Harry. "Knowledge is Power: Exploring the Knowledge, Attitudes, and Practices of Community Members from Mampong and Axim towards Tuberculosis". National Medical Fellowships, Ghana, West Africa. March 2009 - May 2009.
South, Harry. "A Cardiologist’s Nightmare: Secondary (iatrogenic) Endocarditis Due to a Venous Introducer Sheath". Case Presentation, American College of Physicians, Tennessee Chapter Annual Meeting. September 2010.
Ramon (Ray) Kumar, M.D., is board-certified in cardiovascular disease and interventional cardiology. He specializes in coronary artery disease, peripheral vascular disease, congestive heart failure, palpitations, and valve disease. Dr. Kumar practices at HeartPlace Allen, Texas, where he is committed to providing the highest quality of care to his patients.
Dr. Kumar earned his Doctor of Medicine degree at UT Southwestern in Dallas, Texas. He completed his residency in internal medicine at Harvard Medical School/Beth Israel in Boston, Massachusetts, followed by multiple fellowships at the prestigious Texas Heart Institute in Houston, Texas.
Dr. Kumar has long served as a leader in the field of cardiology. His extensive experience includes directing catheterization labs and serving as STEMI Director in multiple healthcare systems, ensuring optimal care for acute heart attack patients. With his expertise in peripheral vascular interventions, complex coronary revascularization, and valve disease procedures, Dr. Kumar often manages challenging cases referred from across Texas and beyond.
Dr. Kumar’s dedication to his patients stems from a personal commitment to treating each individual like family, inspired by his own experiences. Outside of his medical practice, Dr. Kumar enjoys spending time with his wife and three children, weightlifting, swimming, playing pickleball, and exploring physics and philosophy.
BOARD CERTIFICATIONS:
Cardiovascular Disease
Interventional Cardiology
EDUCATION:
Fellowship, Interventional Cardiology: Texas Heart Institute, Houston, TX
Residency, Internal Medicine: Harvard Medical School/Beth Israel, Boston, MA
Medical School, MD Degree: UT Southwestern, Dallas, TX
HONORS & AWARDS:
Outstanding Resident Teacher Award, Harvard Medical School
Chief Interventional Fellow, Texas Heart Institute
OFFICE LOCATION:
HeartPlace Allen 1105 N. Central Expy., Bldg. 2 Ste. 2330 Allen, TX 75013
Fellowship, Interventional Cardiology: St. John's Hospital and Medical Center, Detroit, MI
Fellowship, Cardiovascular Disease: St. John's Hospital and Medical Center, Detroit, MI
Chief Resident: St. John's Hospital and Medical Center, Detroit, MI
Residency, Internal Medicine: St. John's Hospital and Medical Center, Detroit, MI
Medical School, MD Degree: American University of the Caribbean, Coral Gables, FL
Undergraduate: State University of New York at Buffalo School of Medicine, Buffalo, NY
PROFESSIONAL APPOINTMENTS:
Medical Director of the North Central Texas Trauma Regional Advisory Council Cardiac Committee (Current)
Medical Director CV Services Chest Pain Center – Wise Health System (2/2023)
Physician of the Month – The Villages Regional Hospital (4/2017)
Chief Cardiology Fellow – Ascension St John Hospital (7/2013)
Chief Medical Resident – Ascension St John Hospital (7/2010)
Intern of the Year – Ascension St John Hospital (6/2008)
PUBLICATIONS:
Presentations and Electronic Media
Primary Care Physicians and Cardiologists: Recognizing and Bridging the Gaps in Lipid Management. Usman Hashmi MD, James J. Maciejko PhD FACC, Susan Szpunar PhD, Howard Rosman MD FACC – National Cardiovascular Disease Registry (NCDR) Conference – Thurs 3/7/13.
Case Presentation “Hearing Loss, Achilles Tendon Rupture, Acute Aortic Insufficiency: A Case of Cogan’s Syndrome” Usman Hashmi MD, Randy Tashjian MD, Howard Rosman MD Michigan Chapter ACC 2012 Cardiovascular Summit – Sunday September 30th, 2012 1st Place – Oral Case Competition.
A Case for Patient Safety: Central Venous Catheter Related Cardiac Injury Shwan Jalal MD, Usman Hashmi MD, Nancy Mesiha MD. Michigan ACC Regional Meeting.
Seeing the Moon but Missing the Stars: A case of Balint’s syndrome Sajid Ali MD, Tareq Noureldeen MD, Usman Hashmi MD, Shyam Moudgil MD St John Hospital and Medical Center. Accepted abstract submission and poster presented at ACP Michigan meeting April 2011.
Pre-operative Use of Antiplatelet Therapy in Patients Undergoing CABG: Need Antiplatelet Agents be Stopped for 5 days? Usman Hashmi MD, Ramamanohara Pai MD, Howard Rosman MD, Susan Szpunar PhD, Thomas Lalonde MD, Sanjay Batra MD Presented Research Day St John Hospital and Medical Center, Wednesday May 5th 2010.
A Shocking Revelation Usman Hashmi MD, Tejwant Singh MD, Ramamanohara Pai MD St John Hospital and Medical Center, Detroit, Michigan. Accepted abstract submission and poster presented at ACP Michigan meeting 10/2/2010.
Alveolar Hemorrhage in an Octogenarian: An Unusual Presentation for Wegener’s Granulomatosis Usman Hashmi MD, William Ventimiglia MD FACP, MD. St John Hospital and Medical Center, Detroit, Michigan. Accepted abstract submission and poster presented at ACP Michigan meetings 5/9/2008 and 9/13/2008.
Boka’s Notes Internal Medicine APP, A Guide for Interns, Residents & Medical Students. Kamran Boka, MD. Application for IPAD OS and Android Platforms. July 2012. Reviewer: Usman Hashmi,MD.
Publications – Journals and Books
Management of Gastrointestinal Bleeding in Patients Anticoagulated with Dabigatran Compared with Warfarin: A Retrospective, Comparative Case Review. Wuttiporn Manatsathit MD, HusseinAl-hamid MD, Pornchai Leelasinjaroen MD, Usman Hashmi MD, Peter A. McCullough MD Cardiovasc Diagn Ther. 2014 Jun;4(3):224-31.
Literature Review: Age, Sex, and Symptoms and the Prevalence of Significant Coronary Artery Disease by Coronary Computed Tomographic Angiography Nancy Mesiha MD, Usman Hashmi MD, Chatchawan Piyaskulkaew MD, Peter A. McCullough MD. Reviews in Cardiovascular Medicine. Vol 12 – No 4, 2012.
Firas Yazigi, MD, Usman Hashmi, MD, Henry Yuan, MD, Karthiek Narala, MD, Peter A. McCullough, MD, MPH, FACC, FACP, FAHA, FCCP. Kathleen Stergiopoulos, MD, PhD, FASE, FACC and David L. Brown, MD, FACC editors. “Cardiovascular Issues and Renal Disease” Evidence-Based Cardiology Consult, K. Stergiopoulous, D.L.Brown. Springer, November 2013.
“Seat Belt Use By Police: Should They Click It?” von Kuenssberg Jehle, MD Dietrich, David G. Wagner, James Mayrose, Usman Hashmi. Journal of Trauma-Injury Infection & Critical Care 58(1), January 2005: 119-120
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