Dr. Krishna Subramony Iyer , Pediatric Cardiologist

Dr. Krishna Subramony Iyer


About Dr. Krishna Subramony Iyer

Dr. Krishna Subramony Iyer Pediatric Cardiologist                              

MBBS, MS (General Surgery), MCh (Cardiothoracic and Vascular Surgery)

Dr. Krishna Subramony Iyer Pediatric Cardiologist , is the Director one of the best cardiology hospitals in the world Fortis Escorts Heart Institute, New Delhi. As one of the best heart doctor in India he has an experience of over 30 years. He is recognised as one of the top 10 heart surgeons in the world for his clinical expertise and involvement with cardiac care for children in India and other developing nations.

  • Dr. Krishna Subramony Iyer Pediatric Cardiologist pioneered the first dedicated paediatric cardiac care program at Fortis-Escorts Heart Institute.

  • As one of the top 10 cardiologists in the world he has operated more than 14,000 babies, children and adults with congenital heart diseases comprising various procedures like:

    • arterial switch procedure

    • double switch operation TAPVC repairs

    • Fontan and Fontan type procedures

    • corrections for tetralogy of Fallot

    • DORV, Truncus etc.

  • He has also performed the first successful rapid two-stage arterial switch and double-switch operation in India.

  • Moreover, he has been the founder President of Asia-Pacific Paediatric Cardiac Society and also the President of Paediatric Cardiac Society of India.

  • As one of the best heart doctor in India , he had the privilege to be invited as an international member of the American Association of Thoracic Surgeons.

His special Interests: 

  • Being one of the top 10 heart surgeons in the world , Dr Iyer has expertise in surgical treatment of all forms of congenital heart disease from:

    • new-borns to adults

    • complex transpositions

    • late presenting CHD

    • pulmonary hypertension

    • complex neonatal surgery

Work experience of Dr. Krishna Subramony Iyer Pediatric   cardiologist:

  • Dr. Krishna S. Iyer, worked as an Associate Professor in CTVS department of AIIMS, New Delhi from 1985-95.

  • He also set up the Paediatric cardiac program and was involved in the training of several cardiac surgeons.


  • He did his M.B.B.S. AIIMS, New Delhi, 1978

  • M.S. (Gen. Surgery ) from AIIMS , 1981

  • Also did M.Ch. (CTVS) AIIMS , 1984

  • Furthermore did his Fellowship( Neonatal cardiac surgery) Royal Children's Hospital, Melbourne ,1989.


Dr. Krishna Subramony Iyer as one of the best heart doctor in India to his credit secured many awards. To name a few are:

  • He received Sardari Lal Kalra Gold Medal for proficiency in Microbiology in May 1976.

  • Proficiency in Paediatrics he won prSorel Catherine Frieman Prize in Dec.1977.

  • Also won Pfizer Postgraduate Medical award, Gold Medal and Scroll of Honour in 1979.

  • He was rewarded Hira Lal Gold Medal for being the best postgraduate in General Surgery in Dec.1981.

  • For presenting best paper he was awarded the Doppler award

  • Above all, was awarded by Honourable President of India Dr. A. P. J. Abdul Kalam on December 13th, 2002, New Delhi, a Citation and Certificate of Appreciation for distinguished service and outstanding contribution to EHIRC.

  • Awarded by World Congress on Clinical & Preventive Cardiology (WCCPC 2006) in September  2006, Rajasthan for the distinguished Service Award for outstanding contribution in the field of Clinical& Preventive Cardiology in the world.

  • Furthermore,  he also was awarded the Paul Harris Fellow by "The Rotary Foundation of Rotary International" on 23rd Feb 2008, New Delhi.

  • Above all , awarded "Dynamic Indian of the Millennium" award by the KG Foundation, Coimbatore, Tamil Nadu in August, 2009


  • Dr Krishna Subramony Iyer Pediatric Cardiology has over 150 research and publications in both national and international journals.

  • He has also written in medical books on paediatric and neonatal cardiac surgery.

  • He is invited as a speaker in many International Conferences. Furthermore, have delivered over 200 talks in national and international CME's and meetings.

Membership & Fellowship: 

  • He is a Fellow and Life member of the Indian Association of Cardiovascular Thoracic Surgeons

  • Being one of the best heart doctor in India he is also a Founder member of Paediatric Cardiac Society of India

  • He is a Permanent Member of Steering Committee for World Congress of Paediatric Cardiology & Cardiac Surgery (2009 onwards)

  • Furthermore,  Council member, Asian Society of Cardiovascular & Thoracic Surgery

  • He is a Governing Council member: World Society of Congenital Heart Surgery.

  • International member of American Association of Thoracic Surgery.

  • Moreover, he is an Editor-in-Chief, Indian Journal of Thoracic & Cardiovascular Surgery

  • Member of Editorial Board Annals of Paediatric Cardiology

  • Also a Member: Speciality Board of National Board of Examinations capture

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