Heart diseases
Heart Diseases
Heart diseases (pronunciation: /hɑːrt diːˈziːz/), also known as cardiovascular diseases (CVDs), are a class of diseases that involve the heart or blood vessels. The etymology of the term "heart disease" is derived from the Old English heorte for "heart" and the Latin disease which means "lack of ease".
Types of Heart Diseases
There are several types of heart diseases, including:
- Coronary artery disease (CAD): This is the most common type of heart disease. It is caused by the buildup of plaque in the heart's arteries, which can lead to heart attacks.
- Heart failure: This occurs when the heart is unable to pump enough blood to meet the body's needs.
- Arrhythmia: This refers to problems with the rate or rhythm of the heartbeat.
- Valvular heart disease: This involves damage to or a defect in one of the four heart valves.
- Cardiomyopathy: This refers to diseases of the heart muscle.
- Pericardial disease: This involves diseases of the pericardium, the sac that surrounds the heart.
Symptoms
Symptoms of heart diseases can vary depending on the specific type of disease. Common symptoms include chest pain, shortness of breath, and fatigue. Some heart diseases, such as arrhythmias, can also cause palpitations.
Prevention and Treatment
Prevention of heart diseases often involves lifestyle changes, such as maintaining a healthy diet, regular exercise, and avoiding tobacco use. Treatment can include medication, surgery, or other medical procedures, depending on the type and severity of the heart disease.
See Also
External links
- Medical encyclopedia article on Heart diseases
- Wikipedia's article - Heart diseases
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