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Dr. Gautam Kumar

Dr. Gautam Kumar, MD

Dr. Gautam Kumar is an interventional cardiologist and echocardiographer. Originally from Singapore, he came to the US after completing membership in the Royal College of Physicians in the United Kingdom and did Internal Medicine residency and Cardiovascular Diseases fellowship at the Mayo Clinic in Rochester, MN. Following this, he completed Interventional Cardiology fellowship at Emory University. He has wide-ranging interests from clinical hemodynamics (both invasive and non-invasive), coronary and peripheral intervention, valvular and structural heart disease interventions, biomedical innovation and research and medical ethics.


  • Cardiology

Board Certifications

  • ABMS Internal Medicine


  • Mayo School of Graduate Education


  • Emory

Education & Training

  • Medical School: Yong Loo Lin School of Medicine
  • Residency: Mayo School of Graduate Education


Kumar G, Tan LH, Lun KC. The Internal Medicine Center - An Integrated Solution for Information on Internal Medicine on the World Wide Web. International Journal of Medical Informatics 1999 Jul; 55(1): 77-81.

Kumar G, Sng BL, Kumar S. Correlation of Capillary and Venous Blood Glucometry with Laboratory Determination. Prehospital Emergency Care 2004 Oct-Dec; 8(4): 378-383.

Kumar G, Fadel HJ, Beckman TJ. 36-Year-Old Man with Productive Cough and Diffuse Rash. Mayo Clin Proc 2006 Jul; 81(7): 945-948.

Fadel HJ, Kumar G, Beckman TJ. 58-Year-Old Man with Fever and Right Eye Pain. Mayo Clin Proc 2006 Sep; 81(9): 1238-1240.

Kumar G, Karon BL, Edwards WD, Puga FJ, Klarich KW. Giant Coronary Artery Aneurysm Causing Superior Vena Cava Syndrome and Congestive Heart Failure. Am J Cardiol 2006; 98(7): 986-988.

Vaidyanathan L, Kumar G. George Nikolas Papanicolaou - A Pioneer in Women's Health. Gynecol Oncol 2006 Mar; 103(2): 381-382.

Tan SY, Kumar G, Surrun SK, Ong YY. Dengue Maculopathy: A Case Report. Travel Med Infect Dis 2007 Jan; 5(1): 62-63.

Kumar G, Vaidyanathan L, Stead LG. Spoon-Shaped Nails and Profound Anemia. Ann Emerg Med 2007 Feb; 49(2): 243.

Kumar G, Kang CA, Giannini C. Neurosarcoidosis Presenting as a Cerebellar Mass. J Gen Intern Med 2007 Sep; 22(9): 1373-1376.

Kumar G, Chow JT, Klarich KW, Dean DS. Hyperthyroidism and Atrial Myxoma - An Intriguing Cardio-Endocrine Association. J Am Soc Echocardiogr 2007 Dec; 20(12): 1413.e5-1413.e7.

Kumar G, Vaidyanathan L, Fye WB. Fred M. Smith, MD. Clin Cardiol 2008; May; 31(5): 228-229.

Kumar G, Klarich KW, Collett ND, Lerman A. Electrocardiographic Changes in Coronary Endothelial Dysfunction. Coron Artery Dis 2008 Sep; 19(6): 395-398.

Stead LG, Vaidyanathan L, Kumar G, Bellolio MF, Brown RD, Suravaram S, Enduri S, Gilmore RM, Decker WW. Statins in Ischemic Stroke - Just LDL Lowering or More? J Stroke Cerebrovasc Dis 2009 Mar-Apr; 18(2): 124-127.

Adams JC, Dal-Bianco JP, Kumar G, Callahan MJ. Hypereosinophilic Syndrome With Characteristic Left Ventricular Thrombus Demonstrated by Contrast Echocardiography. Neth Heart J 2009; 17(4): 169-170.

Fugate JE, Wijdicks EFM, Kumar G, Rabinstein AA. One Thing Leads to Another: GBS Gautam Kumar Nov 2017 21 Complicated by PRES and Takotsubo Cardiomyopathy. Neuro Crit 2009; 11: 395-397.

Kumar G, Holmes Jr DR, Prasad A. “Familial” Apical Ballooning Syndrome in a Mother and Daughter. Int J Cardiol 2010; 144(3): 444-445.

Tajouri TH, Kumar G, Klarich KW. 51-year-old Man with Heart Murmur. Mayo Clin Proc 2010 Nov; 85(11): 1052-1055.

Kumar G, MacDonald RJ, Sorajja P, Edwards WD, Ommen SR, Klarich KW. Papillary Fibroelastomas in 19 Patients with Hypertrophic Cardiomyopathy Undergoing Septal Myectomy. J Am Soc Echocardiogr 2010; 23: 595-598.

Pitta SR, Prasad A, Kumar G, Lennon R, Rihal CS, Holmes DR. Location of Femoral Artery Access and Correlation with Vascular Complications. Catheter Cardiovasc Interv 2011; 78(2): 294-299.

Kumar G, Samady H. Stenting of Saphenous Vein Grafts – A Treacherous Road to Travel. J Invasive Cardiol 2011 June; 23(6): 220-221.

Kumar G. The Influence of Right Atrial Pressure on Fractional Flow Reserve. J Invasive Cardiol 2012 October; 24(10): A43-A44.

Samady H, Kumar G. Myocardial Perfusion Imaging to Guide Percutaneous Revascularization of Chronic Total Occlusions: A Gate Keeper to the Final Frontier in PCI. J Nucl Cardiol 2013 August; 20(4): 504-505. 23. Saikrishnan N, Yap CH, Lerakis S, Kumar G, Yoganathan AP. Revisiting the Gorlin Equation for Aortic stenosis – is it Correctly Used in Clinical Practice? Int J Cardiol 2013 October; 168(3): 2881-2883.

Saikrishnan N, Yoganathan AP, Kumar G. Diagnosis of "Paradoxical" Low-Gradient Aortic Stenosis Patients. J Am Coll Cardiol 2013 Dec 17; 62(24): 2345-2346.

Mackie BD, Shirazi F, Swadley MJ, Williams BR 3rd, Kumar G, Rab ST. Catastrophic Systemic Embolization From a Left Atrial Myxoma. Tex Heart Inst J 2014 Feb; 41(1): 64- 66.

Levit RD, Polomsky M, Vega JD, Martin DR, Kumar G. An Unusual Cause of Non-ST Segment Elevation Myocardial Infarction. Heart 2014; 100: 1652.

Kumar G, Raghav V, Lerakis S, Yoganathan AP. High Transcatheter Valve Replacement May Reduce Washout in the Aortic sinuses: An In-Vitro Study. J Heart Valve Dis 2015; 24(1): 22-29.

Kupsky DF, Newman DB, Kumar G, Maleszewski JJ, Edwards WD, Klarich KW. Echocardiographic Features of Cardiac Angiosarcomas: The Mayo Clinic Experience (1976-2013). Echocardiography 2016 Feb; 33(2): 186-192.

Kumar G and Rab ST. Radiation Safety for the Interventional Cardiologist. Cardiosource WorldNews 2016 Feb; 40-43.

Bois JP, Adams JC, Kumar G, Ommen SR, Nishimura RA, Klarich KW. Relation between temperature extremes and symptom exacerbation in patients with hypertrophic cardiomyopathy. Am J Cardiol 2016; 117: 965-965.

Santhanakrishnan A, Okafor I, Kumar G, Yoganathan AP. Atrial systole enhances intraventricular filling flow propagation during increasing heart rate. J Biomech 2016 Feb Gautam Kumar Nov 2017 22 29; 49(4): 618-23.

Marrero O, Desai R, Kumar G. Chocolate CHIP Intervention: An Orbital Experience. Cath Lab Digest 2016 Mar; 24(3): 46-48.

Desai R, Marrero O, Howard B, Kumar G. Chocolate CHIP Intervention Reloaded: Rotational Strikes Back! Cath Lab Digest 2016 Jun; 24(6): 46-48.

Okafor I, Raghav V, Midha P, Kumar G, Yoganathan AP. The hemodynamic effects of acute aortic regurgitation into a stiffened left ventricle resulting from chronic aortic stenosis. Am J Physiol Heart Circ Physiol 2016 Jun 1; 310(11): H1801-7.

Ramee S, Anwaruddin S, Kumar G, Piana RN, Babaliaros V, Rab T, Klein LW; Aortic Stenosis AUC Writing Group; Interventional Section of the Leadership Council of the American College of Cardiology. The Rationale for Performance of Coronary Angiography and Stenting Before Transcatheter Aortic Valve Replacement: From the Interventional Section Leadership Council of the American College of Cardiology. JACC Cardiovasc Interv 2016 Dec 12; 9(23): 2371-2375.

Okafor I, Raghav V, Condado JF, Midha PA, Kumar G, Yoganathan AP. Aortic Regurgitation generates a kinematic obstruction which hinders Left Ventricular Filling. Ann Biomed Eng 2017 Jan 13.

Bloomer TL, El-Hayek GE, McDaniel MC, Sandvall BC, Liberman HA, Devireddy CM, Kumar G, Fong PP, Jaber WA. Safety of catheter-directed thrombolysis for massive and submassive pulmonary embolism: Results of a multi-center registry and meta-analysis. Catheter Cardiovasc Interv 2017 Feb 1.

El-Hayek G, Bangalore S, Casso Dominguez A, Devireddy C, Jaber W, Kumar G, Mavromatis K, Tamis-Holland J, Samady H. Meta-analysis of Randomized clinical trials comparing biodegradable polymer drug-eluting stent to second generation durable polymer drug eluting stents. JACC Cardiovasc Interv 2017 Mar 13; 10(5): 462-473.

Midha PA, Raghav V, Sharma R, Condado JF, Okafor IU, Rami T, Kumar G, Thourani VH, Jilaihawi H, Babaliaros V, Makkar RR, Yoganathan AP. The Fluid Mechanics of Transcatheter Heart Valve Leaflet Thrombosis in the Neo-Sinus. Circulation 2017 Jul 19.

Shlofmitz E, Martinsen B, Lee M, Généreux P, Behrens A, Kumar G, Puma J, Shlofmitz R, Chambers J. Utilizing intravascular ultrasound imaging prior to treatment of severely calcified coronary lesions with orbital atherectomy: An ORBIT II sub-analysis. J Interv Cardiol 2017 Aug.

Lee JZ, Singh N, Nyotowidjojo I, Howe C, Low SW, Nguyen T, Pinto D, Kumar G, Lee KS. Comparison of regadenoson and nitroprusside to adenosine for measurement of fractional flow reserve: A systematic review and meta-analysis. Cardiovasc Revasc Med 2017 Jul 11.

Desai R, Kumar G. Flash Ostial Balloon in Right Internal Mammary Artery Percutaneous Coronary Intervention: A Novel Approach. Cureus 9(8): e1537.

Singla A, Kumar G, Bardia A. Personalizing Cardiovascular Disease Prevention Among Breast Cancer Survivors. Curr Opin Cardiol 2012; 27(5): 515-524. Gautam Kumar Nov 2017 23

Saikrishnan N, Kumar G, Sawaya F, Lerakis S, Yoganathan AP. Accurate Assessment of Aortic Stenosis: A Review of Diagnostic