Prof. Dr. G Vijayaraghavan

Research Work

At the Medical College and Hospital, Trivandrum, India.

• Late potentials in Endomyocardial Fibrosis.

• Prognostic factors in Cerbera Odollum poisoning.

• Comparative study of Cerbera Odollum and Thevetia Nerifolia poisoning.

• Morphometric study of normal coronary arteries in Indians.

• Regional localization of calcium in the mitral apparatus. Study using 2-Dimensional echocardiography and examination of the excised valve.
• Interatrial flow dynamics in atrial septal defect; study using Doppler blood flow imaging.
• Spatial geometry of rheumatic mitral regurgitation jet in color Doppler blood flow imaging.
• Right ventricular ejection characteristics in isolated pulmonary valvar stenosis; A Doppler echocardiographic study.
• Morphometric studies in Hypoplastic Left Heart Syndrome.
• Pulmonary venous flow pattern in rheumatic mitral stenosis; A trans esophageal Echo study. (Papers presented at the World Congress of Paediatric Cardiology, Feb 1987 at Vienna, Austria; at the Asian Pacific conference on Doppler and Echocardiography Nov 1987 at San Diego, U.S.A, World Congress of Paediatric Cardiology, Nov 1989, at Bangkok, Thailand and World Congress of Cardiology, Feb 1990, at Manila, Philippines).

• Multiple apical cross sectional echocardiography in the: – (i) Study of mitral valve apparatus in ischaemic mitral valve prolapse. (ii) Study of left ventricular asynergy in patients with chronic stable angina. (Paper presented at the American Heart association Annual meeting, 1983 at Anaheim, California, U.S.A)
• Role of continuous wave Doppler in Cardiology. (Paper published in American Heart Journal 1983; 107: 1275-1276, American Journal of cardiology, 1985; 56: 465-469 and in “Doppler Echocardiography; A Practical Manual” published by John Wiley and Sons, New York, U.S.A. 1985).

• Two dimensional echocardiographic features of tropical endomyocardial fibrosis with special reference to regional echo intensity. (Papers presented at the American Heart Association annual meeting at Dallas, Texas, U.S.A Nov 1982, at the World congress of Tropical Cardiology at Bombay, India 1982, at the Asian Pacific Congress of Cardiology at Bangkok, Thailand, 1984, at the First Asian Pacific Conference on Doppler and Echocardiography at Tokyo, Japan, 1985 and at the Second Asian Pacific Conference on Doppler and Echocardiography at San Diego, U.S.A. Nov 1987. Papers published in British Heart Journal 1983; 50:450-459,Postgraduate Medical Journal 1982; 59: 179-183).

• Effect of beta-adrenergic blocking agents in the haemodynamics of: –
  • Tetralogy of Fallot.
  • Hypertrophic cardiomyopathy.
  • (Published in Indian Heart Journal 1976; 28: 165-169, & Journal of Association of Physician’s of India, 1976; 24:631-636).
• Haemodynamics of Endomyocardial fibrosis. (Published in British Heart Journal 1977; 39:563-568, and American Heart Journal, 1983; 105: 659-666)
• Cardiovascular effects of intravenous Verapamil in normal subjects. (Published in Indian Heart Journal 1978; 30: 159-162)