Dr.S. Thanikachalam Cardiologist in Chennai

Dr.S. Thanikachalam

Cardiologist, Chennai


  • 1 Hospital
  • 48 Years Experience
  • 1 Private Practice


Dr. S. Thanikachalam is a famous Cardiologist at Shri Ramachandra Medical Centre in Chennai, Tamil Nadu. He has over 40 years of experience in the field of Cardiology.

He completed his MBBS and MD in General Medicine from Madras Medical College in Chennai. He then finished his DM in Cardiology from Christian Medical College.

He received a Gold Medal in DM. Dr. Thanikachalam received Dr. B C Roy National Award under Eminent Medical Teacher Category and is also a Padmashree Awardee.


  • Cardiology


  • Non-Invasive Cardiology


MBBS, Madras Medical College, Chennai

MD (Gen Med), Madras Medical College (MMC), Chennai

DM (Cardiology), Christian Medical College

Practice Information

Sri Ramachandra Medical Centre, Chennai

Sri Ramachandra Medical Centre, Chennai

No 1, Ramachandra Nagar, Porur, Chennai, Tamil Nadu - 600116

Private Practice Information

Dr. S.Thanikachalam clinic

Dr. S.Thanikachalam clinic

4 AB Block, 2nd Avenue, Anna Nagar, Chennai, Tamil Nadu - 600040

  • (044) 26211123

Achievements & Contributions

  • Freedom Trial – TDE PH 304Global Multicenter trial for newer treatment modalities in PPH. Freedom UT – 15C Studies    (TDE-PH-302 and TDE – PH-304) conducted united Therapeutics
  • OASIS-5An International Randomized Double-Blind Study evaluating the efficacy and safety of fondaparinux versus enoxaparin in the acute treatment of unstable angina / non-ST- Segment elevation MI acute coronary syndromes.
  • OASIS-6An International Randomized Study evaluating the efficacy and safety of fondaparinux sodium versus control therapy (And glucose – insulin –potassium infusions versus control) in a broad range of patients with ST-segment elevation acute myocardial infarction.
  • Create StudyA clinical trial of Reviparin & Metabolic modulation in Acute MI Treatment evaluation A large, simple trial of 7-day treatment with low molecular weight heparin versus Placebo and acute treatment with GIK versus control in patients with suspected acute MI.
  • Hero-2 Study An open prospectively Randomized comparison of Hirulog Versus Heparin in patients Receiving Aspirin and Thrombolysis (Streptokinase for the Treatment of Acute Myocardial Infarction (HERO -2)
  • Trust – 402“A 12-Week, Multi-Centre, Randomized, Double-Blind, Placebo-Controlled trial of the Safety and Efficacy of Intravenous Remodulin in patients in India with Pulmonary Arterial Hypertension (PAH)” Protocol RIV-PH- 402,403,404, and 405.
  • TDE-PH- 304Continuation arm of TDE-PH 302 which is a clinical trail phase III in patients with primary pulmonary hypertension.
  • TRUST STUDY - 403It is the continuation of arm of IV Treprostinil in patients with PPH (Phase IV)
  • TROPONIN – TThis is a non-International study in patients with ACS. Where single and longitudinal blood draw is taken in patients with ACS. In study A & B no fresh patients are being recruited, Only patient who were enrolled in similar study previously are being given treatment in the continuation phase
  • THE BALANCE STUDYTreatment of Hyponatremia Based on Lixivaptan in NYHA Class III/IV Cardiac Patient Evaluation.
  • Gold Medal in MD General Medicine
  • National Award by MCI - Dr. B. C. Roy  National Award under Eminent Medical Teacher category - 2003
  • Selective Left Atrial Cine Angiography in the recognition of Atrial Thrombus, JAPI, Vol 19, Page nos 491 – 494, 1971G Cherian, S C Munsi, S Krishnaswami, J B McArthur, S Thanikachalam , P Sukumar, C Johnson & S John.
  • Selective Cine Coronary Arteriography, JPAI, Vol 19, Page nos 759-764, 1971George Cherian, Susil C Munsi, J D McArthur, I P Sukumar, S Krishnaswami & S Thanikachalam
  • Results of Total Correction of Tetralogy of Fallot in Twenty one cases, JAPI, Vol 18, Page nos 585-589,1970S C Munsi, S John, T M Joseph, D W Thomas, B S Bhati, I P Sukumar,S Krishnaswami, J D McArthur, S Thanikachalam & G Cherian.
  • Sub-clinical Diabetic Cardiomyopathy – Assessment by Systolic Time Intervals, JAPI, Vol 29, Page nos 267 – 272, April 1981S Thanikachalam, C Lakshmikanthan, Mohan Viswanathan, R Alagesan, D Elangovan, A Ramachandran & M Viswanathan
  • Lymphatic Drainage of the Heart Muscle and Pericardial Sac in the Dog, IHJ, Vol 30, No 5, Page nos 287-292, 1978S Thanikachalam, P C Rajaram, A Namachivayam, D Elangovan, T R Viswanathan & C Lakshmikanthan
  • Right Ventricular Volume estimation by Single Plane method – Invitro Case Study, IHJ, Vol 35 no 4, Page nos 218 – 223, 1983S Thanikachalam, G Ravindran, G Jayaraman, T R Viswanathan, D Elangovan,S Ranjan, C Lakshmikanthan & P C Rajaram
  • Color Doppler in Obstructive Valvular Disease, Journal of Echocardiography, Vol 10, 112 – 114, 1988, A review articleNatesan G Pandian, S Thanikachalam, D Elangovan
  • Article published in the International Journal – The Lancet – “Thrombin – specific anticoagulation with Bivalirudin V/s Heparin in patients receiving Fibrinolystic Therapy for Acute Myocardial Infarction” : The Hero – 2 Randomized Trial – December 2001 S Thanikachalam, India