Causes Of Angina?
Angina is caused by reduced blood flow to an area of the heart. This is most generally because of Coronary Artery Illness. At times, other forms of heart illness or uncontrolled high blood pressure can cause angina.
In CAD, the coronary arteries, that carry oxygen-rich blood to the heart muscle, are narrowed, as a result of the buildup of the fatty deposits known as plaque. This is called artherscholorisis. Some plaque becomes challenging and stable, leading to narrowed and hardened arteries. Other plaque is soft and likely to break open and cause blood clots.
The buildup of plaque on the inner walls of the arteries can trigger angina in two ways. First, by narrowing the artery to the point where the flow of blood is significantly reduced… Second, by forming blood clots that are partially or completely block the artery.
Stable Angina is commonly caused by physical exertion. This leads to the discomfort and discomfort of stable angina. Severely narrowed arteries might permit sufficient blood to reach the heart when the demand for oxygen is low, such as when you are laying down. With physical exercise, like walking up a hill or climbing stairs, the heart works harder and needs much more oxygen.
Unstable Angina is caused by blood clots that partially or totally block an artery. If plaque in an artery ruptures or breaks open, blood clots might form. This creates a bigger blockage. The clot may perhaps grow large sufficient to completely block the artery and trigger a heart attack. Blood clots could form, partly dissolve, and later form once again. Chest pain can happen each and every time a clot blocks an artery.
Variant angina is caused by a spasm in a coronary artery. The spasm makes the walls of the artery tighten. This narrows the artery, causing the blood flow to the heart to slow or quit. Variant angina may perhaps occur in persons with and with out CAD.
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