Dr. S Radhakrishnan is a Executive Director, Pediatric Cardiology in the field of congenital and acquired cardiac lesion and has more than 40 years of experience in the field of pediatric cardiology. He has also worked in Guy's & St. Thomas Trust Department of Pediatric Cardiology , London. His area of expertise are in coil closure of PDA, Balloon Valvuloplasties, Cardiac catheterization, Echocardiography, Non-surgical closure of PDA including devices. He has started the procedure of Balloon dilation of the Arterial Septum and PDA coil closure for the first time in India.
Education
Work Experience:
Overseas Training
Registrar: Department Of Pediatric Cardiology, Guys Hospital, London U.k 1993-1994
Visiting Fellow: Department Of Cardiology, Division Of Echocardiography, Mayo Clinic, Rochester, Minnesota, USA- 3 Weeks In 1990
Procedural Experience:
Echocardiography: More Than 5000 Cases Including Transesophageal And Intraoperative Echocardiography
Cardiac Catheterisation: More Than 3000 Cases Including Adult Angiographies
Balloon Valvuloplasties: Mitral - More Than 500 Cases, Pulmonary More Than 100 Including Neonatal, Aortic Including Neonatal - More Than 100
Non-Surgical Closure Of Pda Including Devices: 200 Cases
Non-Surgical Closure Of Asd: 600 Cases
Stenting Of Venous Channel And Great Arteries: 20 Cases
Closure Of Vsd Post Myocardial Infarction: 30 Cases
Balloon Dilatation Of The Atrial Septum In Transposition Of Great Vessels- Reported For The First Time In The World Literature
S. Shrivastava , S.Radhakrishnan: Balloon diatation of atrial septum in complete Transposition of Great arteries with intact septum - A new technique. Indian Heart Journal 1988;39:298-300
S.Shrivastava, S.Radhakrishnan et al : Percutaneous closure of patent ductus arterisous with coil . Brief report. Indian Heart Journal 1994 ; 46: 349- 350
Professional Affiliations
PUBLICATIONS:
S.Radhakrishnan, KK Talwar : Respiratory arrest after intravenous Verapamil - A case report. American Heart Journal - 1986 Mar, 111:3,62
S.Radhakrishnan, A. Malhotra et al: Utility of Technetium Pyrophosphate scanning in ischemic pain syndromes - Journal Of Association Physician India 1987;35(5):345-348
S.Radhakrishnan, U. Kaul et al: Exercise induced ventricular tachycardia. Report of 2 cases Indian Journal Of Chest Diseases Allied Sci, 1986 Jul, 28:3, 169-73
VK Bahl, S.Radhakrishnan , S. Shrivastava et al: Balloon Dilation in Subaortic Stenosis due to thick membrane International Journal Of Cardiology 1988;18:259-260
S.Radhakrishnan , S.Shrivastava et al: Non invasive Diagnosis of Ruptured Sinus of Valsalva Aneurysm by pulsed Doppler Echocardiography -International Journal Of Cardiology 1988;19:374-378
S. Shrivastava, S.Radhakrishnan: Concurrent Dilatation of Tricuspid and calcific mitral valve in a patient of rheumatic heart disease International Journal Of Cardiology 1988;20:133-137
S. Shrivastava , S.Radhakrishnan: Balloon diatation of atrial septum in complete Transposition of Great arteries with intact septum - A new technique. Indian Heart Journal 1988;39:298-300
S.Radhakrishnan , V K Behl et al: Doppler evaluation of normal and Thrombosed Bjork-Shiley mitral Prosthetic valve - International Journal Of Cardiology
S.Radhakrishnan , KK Talwar et al: Myocarditis manifesting as persistent atrial standstill - A case report. International Journal Of Cardiology 1988;20(2):283-286
G Das, S.Radhakrishnan et al: Percutaneous balloon valvoplasty for valvar aortic stenosis in children. Indian Paediatrics
S.Radhakrishnan, S.Shrivastava et al: Tetralogy of Fallot with discrete sub aortic membrane. A Doppler echocardiographic study. International Journal Of Cardiology 1989;23(3):413-414
S.Radhakrishnan, S.Shrivastava et al: Doppler echocardiography in diagnosis of divided left atrium (Cor Triatriatum Sinister). International Journal Of Cardiology 1988;21(2):180-183
S.Radhakrishnan , U Kaul et al : Sudden bradyarrhythmic death in dilated Cardiomyopathy - A case report PACE 1988;9: 1369-1372
S.Radhakrishnan, U Kaul et al : Evaluation of non-invasive tests for identifying patients with pre-excitation syndrome with short refractory period of accessory pathway. Indian Heart Journal. November-December 1987.
AS Sunder, S.Radhakrishnan, A Saxena et al: Accuracy of continuous wave Doppler Ultrasound in estimation of pulmonary and subpulmonary obstruction. Indian Heart Journal 1988;40:263-270
AS Sunder, S.Radhakrishnan et al: Echocardiographic diagnosis of a left atrial thrombus in a patient with normal prosthetic mitral valve - International Journal Of Cardiology 1989;23(2): 273-274
AS Sunder, S.Radhakrishnan et al: Ruptured sinus of valsalva aneurysm with subaortic membrane – diagnosis by Doppler Echocardiography. International Journal Of Cardiology 1989;23(1):127-130
S.Radhakrishnan, VK Bahl at al: Comparative Doppler Evaluation of the Monostrut and older Convexo-concave Bjork-Shiley mitral prosthetic valve. International Journal Of Cardiology. 1984(24) 355-357.
KK Talwar, S.Radhakrishnan et al: Spatial vectorcardiogram in acute inferior wall myocardial infarction: its utility in identification of patients prone to complete heart block. International Journal Of Cardiology. 24(1989) 289-292
S.Radhakrishnan, S.Shrivastava et al :Infective endocarditis following patch closure of ventricular septal defect: A cross sectional DopplerEchocardiographic study. International Journal Of Cardiology.1989;25: 27-32.
S.Agarwal, S. Radhakrishnan et al: Echocardiographic demonstration of resolving intrapericardial mass in tuberculous pericardial effusion. International Journal Of Cardiology 1990;26(2):240-241
RR Kumar, S. Radhakrishnan : Aneurysm of left sinus of Valsalva causing severe mitral regurgitation: case report. International Journal Of Cardiology.
Epidemological study of coronary heart disease in rural population of Gurgaon district (Haryana state), India. Indian Journal Of Community Medicine Vol XIV, No. 4, 1989, 141-147.
Epidemological study of coronary heart disease in Urban population of Delhi. Indian Journal Of Med Res (B) 92, December 1990, 424-430.
SL Chadha, S.Radhakrishnan et al: Prevalence, awareness and treatment status of hypertension in Urban population of Delhi. Indian Journal Of Med Res (B), August 1990, 233-240.
Epidemological study of hypertension in rural community of Gurgaon District (Haryana state). Annals Of Medical Academy.
S.Radhakrishnan, M Singh, Rajiv Bajaj : Discordance between abdominal and atrial arrangements in a case of complex congenital heart disease International Journal Of Cardiology 1992;36(3):361-363
K Prasad, S.Radhakrishnan: Extensive calcification of pulmonary artery with ducts left to right shunting in an adult. International Journal Of Cardiology
K Prasad, M Singh , S. Radhakrishnan : Hypoplastic right ventricle with pulmonary stenosis in an adult - A case report. International Journal Of Cardiology. 37(1992) 260-262.
K Prasad, S.Radhakrishnan et al: Anomalous origin of left pulmonary artery from the aorta in an adult –an isolated anomaly-A case report. International Journal Of Cardiology 1993;38(3):326-329
K Prasad, S.Radhakrishnan et al : Echocardiographic variables affecting surgical outcome in patients undergoing closed mitral valvotomy. International Journal Of Cardiology 1992 ;37(2) :237-242
R R Mantri, S.Radhakrishnan : Demonstration of atrioventricular dissociation due to complete heart block by pulsed doppler echocardiography of hepatic veins. Indian Heart J. 44(1992) 417-418
R R Mantri, S.Radhakrishnan et al: Atrioventricular regurgitation in constrictive pericarditis:Incidence and post operative outcome. International J. Cardiology 1993; 38(3):273-279
RK Dhiman, VK Saraswat, S.Radhakrishnan et al :Multiple venous thrombosis and membranous obstruction of inferior vena cava in association with Hereditary protein C-Defeciency - A case report. Journal Of Gastroenterolgy And Hepatology July 1992 ;7(4) 434-438
K Prasad, RR Mantri, S.Radhakrishnan et al: Color doppler evaluation of Sorin prosthetic valve in mitral position Indian Heart J 1993;45(3):87-91
S.Radhakrishnan, S.Shrivastava : Mitral balloon valvotomy - Our perspective J. Of Post Graduate Medicine 39(1) 1993.
R R Mantri, S.Radhakrishnan: Diagnosis of Blue Baby. International Journal Of Progress in Cradiovascualr Sciences Vol 1 (1) Jan 1993 (4-10).
R R Mantri, M Singh, S.Radhakrishnan et al: Left Atrial Size In Constrictive Pericarditis. - Pre and Post Operative Evaluation. International Journal of Cardiology. June 1994;45(1):69-75
SK Kaushal, S.Radhakrishnan et al: Minimally invasive ligation of Coronary artery fistula- Asian Cardiovascular and Thoracic Annals Vol 6 No3 229-231. 1998
S.Shrivastava, V Chandra, KM Krishnamoorthy, S.Radhakrishnan et al: Mitral valvuloplasty with the Inoue Balloon in juvenile rheumatic mitral stenosis. American J Of Cardiol Vol 76 1995 404-406
U Verma, R Mishra, S.Radhakrishnan et al: A syndrome of fibrosing pleuritis, pericarditis and synovitis with infantile contractures of fingers and toes in 2 sisters: familial fibrosing serositis. The Journal of Rheumatology Vol 22 :1995; 2349-2355
S.Shrivastava, S.Radhakrishnan et al : Percutaneous closure of patent ductus arterisous with coil . Brief report. Indian Heart Journal 1994 ; 46: 349- 350
A Kapoor, S.Radhakrishnan : Severe intravascular hemolysis following coil closure of patent ductus arteriosus. Indian Heart Journal 1996;48: 173-174
A Kapoor, KM Krishnamoorthy, S.Radhakrishnan at al: Effect of ASD closure on calculation of mitral valve gradients and area following Inoue Balloon Valvotomy. Indian Heart Journal 1996; 48:37 – 39
Niraj Prasad, S.Radhakrishnan et al: Anomalous systemic venous connection in absence of Isomerism and major intracardiac anomalies. Indian Heart Journal 1996;48: 276-278
A. Kapoor, N Sinha, RK Sharma, S.Shrivastava, S.Radhakrishnan et al: Use of Dopamine in prevention of contrast induced acute renal failure- A randomised study. International J of Cardiol 1996; 53: 233-236
M Shahi, S.Radhakrishnan et al: Transesophageal dobutamine- atropine stress echocardiography: diagnostic accuracy for coronary stenosis detection and localization. International J of Cardiology 1996 ;56: 185-192
N Sinha, A Kapoor, A Sreeniwas Kumar, M Shahi, S.Radhakrishnan et al: Immediate and follow up results of Inoue balloon mitral valvotomy in juvenile mitral stenosis. The Journal of Heart Valve Disease. 1997;6: 6- 12
V Dev, LSK Singh, S.Radhakrishnan et al: Doppler echocardiographic assessment of transmitral gradients and mitral valve area before and after mitral valve balloon dilatation. Clinical Cardiology 1989;12: 629-633
N Gopinath, U Kaul, A Chadha, AK Sood, D Bhattacharya, S.Radhakrishnan et al: Asymptomatic coronary artery detected in epidiemiological survey of urban population of Delhi. Indian Heart J 1992;44:2 95-98
A Garg, S.Radhakrishnan et al: Doppler assessment of interventricular pressure gardients in ventricular septal defect. Clinical Cardiology 1990;22:117
V Dev, S.Radhakrishnan et al: Echocardiographic assessment of size of aortic and pulmonary valve annulus before balloon valvuloplasty. Indian Heart Journal- 1990;42:195-197
KK Talwar, V Dev, P Chopra, TH Dave, S.Radhakrishnan: Persistent atrial standstill: clinical, electrophysiological and morphological study. Pacing and Cardiac Electrophysiology 1991;14(8):1274-1280
PK Goel, M Shahi, TS Mahant, PK Mittal, S.Radhakrishnan: Absent conal septum in tetralogy of Fallot: An angiographic study. Angiology 1997;48(7):643-657
S.Kumar, S.Radhakishnan et al: Takayasu arteritis- evaluation with three dimensional time- of –flight MR angiography. Europeon Radiology. 1997;7(1):44-50.
A Malhotra, S.Radhakrishnan et al: Technetium myocardial scintigraphy in diagnosis of acute rheumatic myocarditis. Indian J Pediatrics 1989;56(4):519-521
S.Radhakrishnan, VK Bahl et al: Non-invasive diagnosis of ruptured sinus of Valsalva aneurysm by pulsed Doppler echocardiography. International J Of Cardiol 1988;19(3):374-37-38
S Radhakrishnan, R Babu , R Tandon, S Shrivastava: Complete transposition of great arteries with intact interventricular septum-unusual presentation of 7 cases :Indian Heart J, 1987 Sep, 39:5, 336-9
A.Kapoor, S.Radhakrishnan: Unusual presentation during childhood of left ventricular myxoma. Cardiology in the Young 1998;8:126-127