Heart arteries become blocked primarily due to the buildup of plaque, which can lead to serious health issues. The information below is specifically about the heart arteries, also called coronary arteries, based on the reference.
Plaque Buildup
Plaque is made up of fats, cholesterol, and other substances. Over time, these substances accumulate on the inner walls of the arteries, causing them to narrow.
How Plaque Forms
- Accumulation: Fats and cholesterol deposit on the artery walls.
- Narrowing: The buildup of plaque narrows the artery's passage.
- Hardening: Plaque can harden over time, further restricting blood flow.
Blood Clots
If plaque ruptures, a blood clot can form. This clot further reduces blood flow.
Problems with Blood Clots
- Rupture: Plaque can break away from the artery wall.
- Clot Formation: A blood clot may form at the site of rupture.
- Blockage: Clots can block the artery, completely obstructing blood flow.
Coronary Artery Disease
The overall process is a key factor in coronary artery disease. This disease arises from the blockage of arteries in the heart.
Key factors in Coronary Artery Disease:
- Fats, cholesterol, and other substances are the primary elements contributing to plaque.
- Plaque narrows the arteries and can lead to blood clots.
- Reduced blood flow causes various heart problems.
| Factor | Description |
|---|---|
| Plaque | Buildup of fats, cholesterol, and other substances in artery walls |
| Blood Clot | Forms if plaque ruptures, further blocking the artery |
| Result | Reduced blood flow, leading to coronary artery disease and potential heart problems |
By understanding these elements of how blockages occur, individuals can take steps to try and mitigate the risks associated with plaque buildup.
