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Dr. Krishna Subramony Iyer

40 years of experience
New Delhi ,India


    • Dr Krishna S Iyer is one of the leading pediatric cardiac surgeons in India.
    • He is renowned for his clinical expertise and widespread involvement in cardiac care for children in India and other developing nations.
    • Dr. Iyer began the first dedicated pediatric cardiac care program in Northern India, at Fortis-Escorts Heart Institute in 1995.
    • He has performed more than 10,000 pediatric cardiac surgeries 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.
    • Dr. Iyer completed his MBBS, MS (General Surgery) and Mch (Cardiothoracic and Vascular Surgery) from the renowned All India Institute of Medical Sciences (AIIMS), New Delhi.
    • He took training in pediatric and infant cardiac surgery from Royal Children's Hospital, Melbourne, Australia.
    • Dr. Iyer has over a hundred research publications in both national and international journals.
    • He has also authored sections in medical books on pediatric and neonatal cardiac surgery.
    • He has been the founder President of the Asia-Pacific Paediatric Cardiac Society and has also the President of the Paediatric Cardiac Society of India.
    • He is an active member of the Steering Committee of the World Congress of Paediatric Cardiology and Cardiac Surgery, World Society of Congenital Heart Surgery and the Asian Society of Cardiovascular and Thoracic Surgeons.
    • He had the privilege to be invited as an international member of the American Association of Thoracic Surgeons.
    • Dr. Iyer has his expertise in the surgical treatment of all forms of congenital heart disease in newborns to adults, complex transpositions, late presenting CHD, pulmonary hypertension and complex neonatal surgery.


    • Paediatric Cardiologist,
    • Complex neonatal cardiac surgery,
    • Cardiac surgery in malnourished infants and children,
    • Congenital heart disease,
    • Cost effective cardiac care


    • Neonatal and Infant cardiac surgeries
    • Complex congenital heart surgeries
    • TAPVC - Total Anomalous Pulmonary Venous Connection Repair Arterial Switch
    • Single Ventricle Defects Surgery
    • ECMO Support
    • Device Closure- ASD VSD
    • Balloon Valvuloplasty - Aortic
    • PDA Device Closure
    • Aortic Valve replacement - Mechanical Valve
    • Aortic Valve replacement - Tissue Valve
    • Mitral Valve replacement - Mechanical Valve
    • Mitral Valve replacement - Tissue Valve
    • Aortic Valve Repair
    • Mitral Valve Repair
    • PDA Ligation
    • Arrhythmia Treatment with Ablation and Pacemakers
    • Coronary Artery Surgery
    • Congestive Heart Failure (CHF) Treatment
    • Coronary Angiogram
    • PTCA-Percutaneous Transluminal
    • Coronary Angioplasty
    • Aortic Stent Grafting
    • EPS-Electrophysiological
    • Radiofrequency Ablation
    • PPI-Permanent Pacemaker Implant - Single Chamber
    • Biventricular Pacing
    • AICD
    • PTMC - Percutaneous Transvenous Mitral Commissurotomy
    • Heart Surgery
    • CRT - D (MRI Compatible)
    • CRT - D (MRI Non-Compatible)
    • CRT - P
    • Transarterial Radioembolization - TARE
    • heart disease
    • Balloon Septostomy
    • Pulmonary and Mitral
    • Fetal Echocardiogram
    • Off Pump beating CABG LV restoration
    • surgery
    • Valve Repair Replacement
    • Atrial Fibrillation Surgery
    • Ross Procedure
    • Cardiac Tumour Treatment
    • Aortic Dissection Repair Surgery
    • Minimal access surgeries for valves
    • ASD (Atrial Septal Defect) Closure
    • Heart Bypass Surgery (CABG)
    • Aortic Valve Replacement
    • Mitral Valve Replacement
    • VSD Closure (Adult) Surgery
    • Heart Double Valve Replacement
    • PPI-Permanent Pacemaker Implant - Double Chamber
    • CRT- D Implant (Cardiac Resynchronization Therapy)
    • Single Bypass and Valve Replacement
    • Valve Replacement
    • Congenital Heart Disorder CHD
    • Heart Bypass - Minimally Invasive CABG
    • Heart Implants
    • Rotational Atherectomy
    • Redo CABG
    • Angioplasty - 1 Stent
    • VP Shunting - Programmable Device
    • AV Canal repair
    • Bentall procedure
    • Cardiac OPD Procedures
    • ECG-Treadmill Test TMT
    • 24 Hour Holter Monitoring
    • Ambulatory BP Monitoring (ABPM)
    • Echocardiography with Color Doppler
    • Stress Echocardiographyn
    • Myocardial Perfusion Imaging (MPI) Test
    • Thallium Test - Nuclear Stress Test
    • 64 Slice CT Angiography
    • PET Scan
    • Peripheral Angiogram
    • Angiography
    • Angioplasty - 2 Stent

WORK EXPERIENCE OF Dr. Krishna Subramony Iyer

  • 40 Years Experience Overall (38 years as specialist)
  • 1985 - 1995 Assistant Professor at All India Institute of Medical Sciences


  • MBBS - All India Institute of Medical Sciences, New Delhi, 1978
  • MS - General Surgery - All India Institute of Medical Sciences, New Delhi, 1981
  • MCh - Cardio Thoracic Surgery - All India Institute of Medical Sciences, New Delhi, 1984



  • Pfizer Postgraduate Medical award - 1979
  • Hira Lal Gold Medal for being the best postgraduate in General Surgery - 1981
  • Awarded Institute Gold Medal for Best Graduate of the year at the MBBS examination in Dec.1977.


New Delhi


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