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Dr. Deepak Natarajan

Dr. Deepak Natarajan

Dr. Deepak Natarajan

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MBBS, MD - Medicine, DM - Cardiology



42 Years Experience Overall  (35 years as specialist)

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He is a renowned interventional cardiologist recognized for his groundbreaking work in percutaneous mitral balloon valvotomy with the Inoue Balloon catheter, and being the first cardiologist in the country to administer intracoronary and intravenous streptokinase in acute myocardial infarction. He obtained his medical degree from Maulana Azad Medical College. He has subsequent to his training at the GB Pant Hospital, New Delhi ( DM cardiology), performed as a senior consultant in cardiology at the Dr. Ram Manohar Lohia, New Delhi, besides being the chief of cardiology for more than a decade and additional medical superintendent over there. He committed himself to establishing a state of art cardiac catheterization laboratory and a comprehensive cardiac surgery department at Dr. Ram Manohar Lohia Hospital. During his tenure at Dr. Ram Manohar Lohia Hospital, he was awarded numerous international fellowships with some of the leading interventional cardiologists of the world such as Prof Masakiyo Nobuyoshi of Japan, Prof Gary Rubin of the USA, Prof Robert Greenbaum of the UK (special interest EPS). He also set up a cardiology department with a cardiac catheterization laboratory at the Saroj Hospital, Rohini, Delhi. He was associated with Moolchand Hospital and MAX hospital at Delhi. He also has the distinction of serving as a cardiologist to 3 Prime Ministers and one President of India, numerous cabinet ministers, and chief ministers, and was also appointed cardiologist to H.E Mr. Nelson Mandela by the Government of India. He had 3 publications in peer reviewed journals in the year 2015. He is a regular columnist for ‘The Wire’ and has set up his own state of the art catheterization laboratory ‘Nataraj Cardiac Care’ in Noida, Delhi NCR.

Gurgaon Sector 37, Gurgaon

The Signature Hospital


Sector 37-D, Landmark: Near Suncity School, Gurgaon

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Common questions & answers

Q: What does a Heart specialist do?

A: Heart specialists or cardiologists diagnose and treat diseses related to heart and blood vessels. They are trained to assess heart health and read electrocardiogram, etc.

Q: When do you need to see a cardiologist?

A: You can visit a heart specialist if your physician refers you for symptoms like shortness of breath, dizziness, chest pain, changes in heart beat or high blood pressure

Q: What to expect at your first visit to heart specialist?

A: A heart specialist will evaluate your medical history and risk factors for major blood vesel disease. Your heart rate, blood pressure and electrocardiogram will be obtained. You will also go through complete cardiovascular examination.

Q: How do heart-specialist check for blocked arteries?

A: Heart specialists check for blocked arteries with tests like chloesterol screening, electrocardiogram (ECG) chest X-Ray, coronary CT Scan, ultrasound, echocardiogram, and angiogram.

Q: Can you see a heart-specilist directly?

A: You can go to a heart specialist directly if you suspect there is a risk of genetically related heart disease in your family which means any of your blood relative had an early onset (below age of 55 for men and 65 for women). A heart specialist can help you to assess the risk factor of you getting that disease and give you treatment regarding the same.


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Pregnancy Hypertension (Preeclampsia/ Eclampsia)
Coronary Artery Disease
Heart attack



MBBS - University of Delhi, 1978
MD - Medicine - University of Delhi, 1983
DM - Cardiology - Govind Ballab Pant Institute Of Post Graduate Medical Education And Research, New Delhi, 1985


Delhi Medical Council


Doctor at Moolchand MedCity


6327 Delhi Medical Council, 2000
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