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.
In 2010, the prevalence of CHD was greatest among persons aged ≥65 years (19.8%), followed by those aged 45--64 years (7.1%) and those aged 18--44 years (1.2%). CHD prevalence was greater among men (7.8%) than women (4.6%), and among those with less than a high school education (9.2%), compared with high school graduates (6.7%), those with some college (6.2%), and those with more than a college degree (4.6%).