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Dr. Krishna Subramony Iyer

Director - Cardiac Sciences

Cardiac Surgeon


Cardiology And Cardiac Surgery


Fortis Escorts Heart Institute, New Delhi


43 years of experience


  • Graduated with an M.B.B.S. degree from the All India Institute of Medical Sciences (AIIMS), New Delhi, in 1978.

  • Did M.S. in General Surgery from the All India Institute of Medical Sciences (AIIMS) in 1981.

  • Obtained M.Ch in Cardiothoracic and Vascular Surgery from All India Institute of Medical Sciences in 1984.

  • Completed a fellowship in Neonatal Cardiac Surgery at Royal Children's Hospital, Melbourne, in 1989.

  • Performed the Double Switch Operation in India, successfully performing it for the first time in the year 1993.

  • He succeeded in performing his first successful Rapid Two-Stage Arterial Switch operation in India in the year 1992.

  • It was the first time that the Pentalogy of Cantrell, a major congenital heart defect, was successfully repaired in an infant in a single stage in India, thus setting a milestone in the healthcare system of the country.

  • He is a specialist with a proven track record of success and a reputation for being well-liked by his peers and patients.

  • Dr. Krishna Subramony Iyer still holds a remarkable position in the field of cardiac surgery and is one of the best heart surgeons in New Delhi.


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Procedures Dr. Krishna Subramony Iyer

Paediatric Cardiothoracic Surgeon


  • Dr. Krishna Subramony Iyer is a well-known cardiac surgeon based in New Delhi who specializes in cardiovascular surgery.
  • He has almost 43 years of expertise as a cardiac surgeon.
  • He has been practicing medicine for over 40 years and is an expert in difficult cardiac surgery such as CABG valve repair/replacement and congenital heart defect correction.
  • Dr. Iyer is well-known for his surgical accuracy, caring attitude toward patients, and high standard of excellence.
  • Dr. Krishna S Iyer has the office of the Executive Director at the Paediatric Cardiac Surgery.
  • He is a veteran pediatric cardiac surgeon, which is a unique position in this country. Hence, he is one of the most respected professionals in India.
  • Dr. Iyer is well known to the medical fraternity for his clinical expertise and his compassion for the children in need of cardiac care in India and other developing nations.
  • The main concern of the surgeon is to give surgical care for different types of congenital heart disease, from newborns to adults, regardless of the complexity.
  • Apart from the common surgeries, Dr. Iyer also excels in complex transpositions, late presenting CHD, pulmonary hypertension, and neonatal cases.

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New Delhi

The largest private cardiac hospital in the Asia Pacific region, Fortis Escorts Heart Institute was established in 1988 and is JCI accredited. It is one of the best hospitals for Cardiac care for adults and children. It celebrated 25 years of Cardiac excellence in 2013. Winner of the 'Best Institution Award' by Delhi Medical Association(2013), 'Best Heart Care Centre in North India' at theGlobal Healthcare Excellence Awards 2013 and 'Best Single Specialty Hospital – Cardiology' at India Healthcare Awards 2012. Introduced Fortis Escorts Heart Alert Service that has revolutionized the cardiac care in India by providing an expert ECG interpretation over telephone within minutes of any chest complaint/symptoms. Offers other services such as Radio Imaging, Neurology, Nuclear Medicine and Physiotherapy. Launched Community Outreach Programs through which free cardiac check-up camps are organized in India and in its neighboring countries.

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