Atherosclerosis

Definition

Atherosclerosis is a condition characterized by the buildup of plaque in the arterial walls, leading to narrowing and hardening of the arteries. This can restrict blood flow and increase the risk of cardiovascular events such as heart attacks and strokes.

5 Must Know Facts For Your Next Test

1. Atherosclerosis is influenced by dietary factors such as high intake of saturated fats, trans fats, and cholesterol.
2. Common symptoms include chest pain (angina), shortness of breath, and fatigue.
3. It is a major underlying cause of cardiovascular diseases, including coronary artery disease and peripheral artery disease.
4. Lifestyle changes such as a balanced diet rich in fruits, vegetables, whole grains, and lean proteins can help manage or prevent atherosclerosis.
5. Inflammation plays a key role in the development and progression of atherosclerotic plaques.

Review Questions

• What dietary factors contribute to the development of atherosclerosis?
• How does atherosclerosis impact blood flow within the cardiovascular system?
• What lifestyle changes can help prevent or manage atherosclerosis?

Related terms

Coronary Artery Disease:

A condition caused by the buildup of plaque in the coronary arteries that supply blood to the heart muscle.

Peripheral Artery Disease: A circulatory condition where narrowed arteries reduce blood flow to the limbs, often due to atherosclerosis.

Cholesterol:

A type of lipid found in your blood that can contribute to plaque formation when levels are too high.