Dr. Bigesh Unnikrishnan Nair is a highly accomplished Senior Interventional Cardiologist with over 24 years of distinguished experience across India and the Middle East. Renowned for his academic brilliance and peerless clinical expertise, he achieved the prestigious 1st Rank in the University Examinations for his MD and was recognized with the Best Abstract Presentation Award at the Cardiological Society of India National Conference.
His stellar academic foundation is anchored by advanced degrees from the prestigious Government Medical College, Trivandrum. With a prolific career spanning over two decades, he has earned vast experience in handling high volume, high acuity cases. He specializes in Complex Coronary Interventions and CHIP, routinely performing advanced procedures with mechanical circulatory support (including IABP).
His deep expertise includes imaging guided angioplasty with IVUS, Rotablation, protection devices and Bypass graft interventions (SVG/LIMA). His surgical precision and clinical versatile repertoire extend to critical structural heart and non-coronary interventions.
He is highly proficient in Peripheral, Carotid, and Renal Angioplasties, Balloon Mitral Commissurotomy (BMC/BMV), permanent pacemaker implantations (including CRT, CRT-D, and AICD), Alcohol Septal Ablation for HOCM, and life-saving pericardiocentesis.
Throughout his career, he has successfully executed thousands of complex interventions, maintaining an exceptional track record of clinical outcomes with zero on table mortality in high risk series. Beyond his extensive clinical tenure in India, he has spent several years as a Specialist Cardiologist within premier international healthcare networks in Doha, Qatar.
In these global hubs, he has led multidisciplinary emergency cardiac teams, managed complex interdepartmental consultations and directed advanced cardiac diagnostics—interpreting over 28,000 adult and pediatric Echocardiograms (TTE & TEE), thousands of Treadmill Stress Tests (TMT), Holter monitorings, and Ambulatory Blood Pressure Monitorings (ABPM).
As an active contributor to the advancement of cardiovascular medicine, he serves on the editorial front as the Section Editor for Valvular Heart Disease in the Kerala Heart Journal (the official publication of the Cardiological Society of India, Kerala Chapter). He has also authored impactful research published in international peer-reviewed journals, focusing on the epidemiological transitions of rheumatic heart disease.
He is globally recognized through his elite professional credentials and international fellowships. He is a prestigious Fellow of the American College of Cardiology (FACC) and a Member of the Society for Cardiovascular Angiography and Interventions (FSCAI), alongside holding Life Membership in the Indian Medical Association (IMA).
