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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 All India Institute of Medical Sciences, New Delhi, in 1978.
  • Completed M.S. in General Surgery from All India Institute of Medical Sciences 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.
  • Pioneered the Double Switch Operation in India, successfully performing it for the first time in 1993.
  • Conducted the first successful rapid Two-Stage Arterial Switch operation in India in 1992.
  • Achieved the first successful repair of Pentalogy of Cantrell in an infant in a single stage, setting a milestone in Indian healthcare.
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Procedures Dr. Krishna Subramony Iyer

Paediatric Cardiothoracic Surgeon


  • Dr. Krishna S Iyer holds the position of Executive Director in Paediatric Cardiac Surgery.
  • He has extensive experience as a pediatric cardiac surgeon, making him one of the most esteemed professionals in India.
  • Dr. Iyer is highly regarded for his clinical expertise and his dedication to providing cardiac care for children in India and other developing countries.
  • His primary focus is on the surgical treatment of various forms of congenital heart disease, ranging from newborns to adults, regardless of complexity.
  • Dr. Iyer's specialized skills also encompass surgeries for complex transpositions, late presenting CHD, pulmonary hypertension, and complex 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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