The term heart disease is often interchanged with the term cardiovascular disease. It generally refers to the conditions that involve narrowed or blocked blood vessels that can lead to a heart attack, chest pain (angina) or stroke. By controlling high blood pressure, quitting smoking, maintaining a healthy diet and by maintaining low cholesterol levels heart diseases can be prevented.
Diagnosis and symptoms include cardiac catherization, cardiac MRI, picturing the heart, a CT scan, a coronary angiography, stress testing, echocardiography, nuclear heart scan, etc. Treatment for heart valve problems include medications, heart valve surgery and for heart attack medications like clot busters should be administered as soon as possible, coronary angioplasty, coronary artery bypass graft surgery.
Coronary heart disease (CHD) is epidemic in India and one of the major causes of disease-burden and deaths. Mortality data from the Registrar General of India shows that cardiovascular diseases are a major cause of death in India now. Studies to determine the precise causes of death in urban Chennai and rural areas of Andhra Pradesh have revealed that cardiovascular diseases cause about 40% of the deaths in urban areas and 30% in rural areas.