Dr. Krishna S Iyer: Renowned Paediatric Cardiac Surgeon | Fortis

Dr. Krishna S Iyer

Executive Director
Paediatric Cardiac Surgery
45+ years of experience
Fortis Escorts Heart Institute, New Delhi

Opening Hours

Monday – Friday 8.00 – 7:00 pm
Saturday 9.00 – 8.00 pm
Sunday 10.00 – 9.00 pm

About Doctor

  • Dr Krishna S Iyer is one of India’s most experienced paediatric cardiac surgeons with a vast experience of more than 45 years, recognised for his clinical expertise and involvement with cardiac care for children in India and other developing nations.
  • After his medical training, he joined the faculty of the cardiac surgery department of AIIMS, New Delhi. He then trained in infant cardiac surgery in Australia and then established neonatal cardiac surgery at AIIMS.
  • Dr Iyer began the first dedicated paediatric cardiac care program in North India at Fortis Escorts, New Delhi.
  • Dr Iyer has operated on more than 14,000 patients with congenital heart diseases from all parts of India and International patients from over 15 countries.
  • He has performed the first successful rapid two-stage arterial switch and double-switch operation in India.
  • He is the first to generate internationally comparable outcomes in neonatal and infant cardiac surgery and surgery for complex congenital heart disease.
  • He helped set up many paediatric cardiac programs within the country and in other countries like Bangladesh, Indonesia, Malaysia and Nepal.
  • He has more than a hundred research publications in national and international journals and travels extensively to cities across India and abroad to deliver lectures.
Qualification & Training
  • MBBS – All India Institute of Medical Sciences, New Delhi
  • MS (General Surgery) – All India Institute of Medical Sciences, New Delhi
  • MCh (Cardio-Thoracic Surgery) – All India Institute of Medical Sciences, New Delhi, 
  • Training in infant cardiac surgery- Australia
Areas of Clinical interests


  • Awarded a Citation and Certificate of Appreciation for distinguished service and outstanding contribution by Dr A.P.J.Abdul Kalam, Honourable President of India -2002
  • Distinguished Service Award for outstanding contribution in the field of Clinical & Preventive Cardiology in the world- World Congress on Clinical & Preventive Cardiology, India, 2006
  • Dynamic Indian of the Millennium award – KG Foundation, 2009
  • Pfizer Postgraduate Medical award – 1979
  • Hira Lal Gold Medal for being the best postgraduate in General Surgery –1981


  • Founder President of Asia-Pacific Pediatric Cardiac Society
  • Society of Pediatric and Congenital Heart Surgeons
  • Pediatric Cardiac Society of India
  • Asian Society of Cardiovascular and Thoracic Surgeons
  • American Association of Thoracic Surgeons

List of Treatments

  • Paediatric Cardiac Surgery
  • Cardiac Ablation
  • Cardiac Catheterisation
  • Cardioversion
  • Carotid Angioplasty And Stenting
  • Coronary Angiogram
  • Coronary Angioplasty / Bypass Surgery
  • Mitral/Heart Valve Replacement
  • CT Angiogram
  • Implantable Cardioverter-Defibrillators (Icds)
  • Pacemaker Implantation
  • Acute Aortic Dissection
  • Cardiac Rehabilitation
  • Heart Conditions
  • ASD / VSD Device Closure
  • Hypertension Treatment
  • Patent Foramen Ovale
  • Non-Invasive Cardiology
  • Chest Pain Treatment
  • Gastritis Treatment
  • Patent Ductus Arteriosus Device Closure
  • Carotid Artery Disease
  • Hypertriglyceridemia
  • Dyslipidemia
  • Ergometric test
  • Hipercolesterolemia Treatment
  • Treatment of arrhythmia
  • Electrocardiography (ECG)
  • Rheumatic Heart Disease Treatment
  • Foetal Echocardiography
  • Ultrasound/Ultrasonography
  • Treadmill Test – TMT
  • Peripheral Angiography
  • TAVI (Transcatheter Aortic Valve Implantation)
  • Angioplasty and Stenting
  • Heart Transplant
  • Stress Echocardiography
  • Revascularization
  • Angiogram
  • Open Heart Surgery
  • Aortic Valve Surgery
  • Atrial Septal Defect Surgery
  • Echocardiography
  • Congenital Heart Surgery
  • Ventricular Assist Device
  • Aortic Aneurysm Surgery / Endovascular Repair
  • Paediatric Cardiac Surgery
  • Ventricular Septal Defect Surgery
  • Minimally Invasive Cardiac Surgery
  • Peripheral Vascular Surgery
  • Repair of Adult Coarctation
  • Redo Tetralogy
  • Robotic Heart Surgery
  • Valvuloplasty
  • Coronary Artery Bypass Grafting
  • PCI (Percutaneous Coronary Interventions)
  • Patent Ductus Arteriosus (PDA)
  • Tetralogy of Fallot (TOF)
  • Dextro-Transposition of the Great Arteries (DTGA)
  • Vascular Surgery
  • Ambulatory Blood Pressure Monitoring
  • Holter Monitoring
  • Pulmonary Function Test (PFT)