Dr. Krishna S Iyer
- Specialisation:
- Paediatric Cardiac Surgeon
- Qualification:
- Indian
- Experience:
- English
- Practicing At:
- Fortis Escorts Heart Institute, New Delhi, India
About Dr. Krishna S Iyer
- Dr. Krishna Subramony Iyer is one of the most recognised Paediatric Cardiac Surgeons with over 40 years of experience in treating congenital heart diseases.
- He has successfully performed more than 10,000 heart surgeries on babies, children, and adults born with heart defects.
- In 1995, he established Northern India’s first dedicated Paediatric Cardiac Care Programme at Escorts Heart Institute (now Fortis Escorts Heart Institute), which became one of the country’s leading centres for children’s heart care.
- Dr. Iyer completed his MBBS, MS, and M.Ch from AIIMS, New Delhi, and later received advanced fellowship training at the Royal Children’s Hospital, Melbourne, Australia, under renowned paediatric cardiac surgeon Dr. R.B.B. Mee.
- He has special expertise in treating complex congenital heart conditions, including newborn heart defects, Tetralogy of Fallot, TAPVC, DORV, Truncus Arteriosus, Fontan procedures, and arterial switch surgeries.
- He performed India’s first successful rapid two-stage arterial switch operation and double switch operation, marking important milestones in paediatric cardiac surgery.
- Dr. Iyer is also known for developing cost-effective treatment approaches, making advanced heart surgery more accessible for children from different backgrounds.
- He has contributed significantly to medical education, research, and charitable initiatives aimed at improving paediatric heart care across India and neighbouring countries.
- His dedication to children’s heart health and decades of surgical excellence have made him one of the most trusted names in paediatric cardiac surgery.
Work Experience Dr. Krishna S Iyer
- Chairman and Head – Paediatric and Congenital Heart Surgery – Fortis Escorts Heart Institute, New Delhi
- Established the Paediatric Cardiac Care Programme at Escorts Heart Institute (1995)
- Additional Professor – Department of Cardiothoracic and Vascular Surgery, AIIMS, New Delhi
- Senior Fellow – Royal Children’s Hospital, Melbourne, Australia
Education & Training of Dr. Krishna S Iyer
- M.Ch (Cardiothoracic and Vascular Surgery) – AIIMS, New Delhi
- MS (General Surgery) – AIIMS, New Delhi
- MBBS – AIIMS, New Delhi
- Senior Fellowship in Paediatric Cardiac Surgery – Royal Children’s Hospital, Melbourne, Australia
Specialization and Expertise
- Paediatric Cardiac Surgery
- Congenital Heart Disease Surgery
- Neonatal Heart Surgery
- Arterial Switch Operations
- Double Switch Procedures
- Tetralogy of Fallot Repair
- TAPVC Repair
- Fontan Surgery
- DORV and Truncus Arteriosus Surgery
- Complex Congenital Heart Defect Correction
Awards and Achievements
- Institute Gold Medal – Best MBBS Graduate
- Sorel Catherine Frieman Prize for Proficiency in Paediatrics
- Pfizer Postgraduate Medical Award
- Hira Lal Gold Medal – Best Postgraduate in General Surgery
- Doppler Award for Best Paper – Sixth International Symposium on Echocardiography in Cardiac Surgery, Washington D.C. (1994)
- Paul Harris Fellow – Rotary International Foundation for humanitarian services to children
- Performed India’s first successful rapid two-stage arterial switch operation
- Performed India’s first successful double switch operation
- Successfully completed over 10,000 congenital heart surgeries
Professional Memberships
- Paul Harris Fellow – Rotary International Foundation
- Active participant in national and international paediatric cardiac surgery societies and academic forums
Location
- Fortis Escorts Heart Institute, New Delhi, India

FAQs
Who is Dr. Krishna Subramony Iyer?
Dr. Krishna Subramony Iyer is one of India’s leading paediatric cardiac surgeons with more than 40 years of experience. He specialises in treating congenital heart diseases in babies, children, and adults.
What conditions does Dr. Krishna Iyer treat?
He treats a wide range of congenital heart defects, including holes in the heart, Tetralogy of Fallot, TAPVC, DORV, Truncus Arteriosus, and other complex heart conditions in children.
How many heart surgeries has Dr. Krishna Iyer performed?
Dr. Iyer has successfully performed more than 10,000 heart surgeries on babies, children, and adults with congenital heart diseases.
Why is Dr. Krishna Iyer well known?
He is known for starting Northern India’s first dedicated paediatric cardiac care programme and for performing several landmark congenital heart surgeries in India.
Where is Dr. Krishna Subramony Iyer currently practicing?
Dr. Krishna Subramony Iyer is currently practicing as the Chairman and Head of Paediatric and Congenital Heart Surgery at Fortis Escorts Heart Institute, New Delhi.