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Arteries carry blood, oxygenated by the lungs, to the cells of the body. Since the heart is a large muscle, its cells need oxygen too. When one of the arteries supplying the heart with oxygenated blood is blocked ("occluded") the oxygen cannot reach the cells supplied by that artery.

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Q: How does a blocked artery cause less oxygen to reach the heart?
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What is a person with a blocked coronary artery most likely to suffer from?

Obviously coronary heart disease! A blocked coronary artery reduces blood flow & thus Oxygen to the heart which in turn causes Angina when a person will experience pain & breatlessness. Without treatment a blockage can cause a heart attack.


How can the heart muscles be affected if the coronary artery is blocked?

If a coronary artery is blocked, the heart muscles will not get enough oxygen. This condition is known as ischemia. If the condition continues, the ischemia may lead to infarction, or death of tissue due to lack of oxygen.


What health risks exist if you have artery blockage?

pressure may cause it to bulge like a balloon directly above or below the blockage, causing a weakening of the vessel wall. The aorta may eventually rupture, causing massive bleeding and death


What does blocked arteries lead to?

A blocked artery can lead to death but it rather depends on where the blockage is and if it is only partial or complete. For example if in the brain it can cause a stroke but that doesn't necessarily mean death for the individual. If the blockage is in the heart it will result in a heart attack however, the individual may not die.Partially blocked artery may cause improper function of the tissues. Partial blockages have a high chance of resulting in complete blockage. When the artery is completely blocked it generally means death for any tissue located after the blockage.For Example:If there is an infarction in the thigh it will cause necrosis in that area.


What happens when the circumflex artery is 99 percent blocked?

Your heart muscle will not recieve enough oxygen to function properly and you can have what is alled a heart attack as the muscle tissue will die.

Related questions

What is a person with a blocked coronary artery most likely to suffer from?

Obviously coronary heart disease! A blocked coronary artery reduces blood flow & thus Oxygen to the heart which in turn causes Angina when a person will experience pain & breatlessness. Without treatment a blockage can cause a heart attack.


How can the heart muscles be affected if the coronary artery is blocked?

If a coronary artery is blocked, the heart muscles will not get enough oxygen. This condition is known as ischemia. If the condition continues, the ischemia may lead to infarction, or death of tissue due to lack of oxygen.


Type of surgery to correct blocked blood vessels supplying the heart muscle with oxygen?

Coronary Artery Bypass Surgery See link under "Related Links"


What heart disease is a person have if his artery supplying nutrients to his heart is blocked?

its coronary Heart disease it willl cause people that eats most salty foods


What happens if the coronary artery is blocked?

You have a heart attack.


Condition in which blood flow to a part of the heart is blocked causing cells to die?

When an artery to the heart is blocked, it is called a heart attack.


What health risks exist if you have artery blockage?

pressure may cause it to bulge like a balloon directly above or below the blockage, causing a weakening of the vessel wall. The aorta may eventually rupture, causing massive bleeding and death


What is the purpose if the coronary artery?

I think that you are talking about Coronary artery that supplies oxygenated blood to the walls of the heart.If it is blocked by the fat content there would be no supply of oxygenated blood and hence we experience heart strokes.


What happens when the circumflex artery is 99 percent blocked?

Your heart muscle will not recieve enough oxygen to function properly and you can have what is alled a heart attack as the muscle tissue will die.


What does blocked arteries lead to?

A blocked artery can lead to death but it rather depends on where the blockage is and if it is only partial or complete. For example if in the brain it can cause a stroke but that doesn't necessarily mean death for the individual. If the blockage is in the heart it will result in a heart attack however, the individual may not die.Partially blocked artery may cause improper function of the tissues. Partial blockages have a high chance of resulting in complete blockage. When the artery is completely blocked it generally means death for any tissue located after the blockage.For Example:If there is an infarction in the thigh it will cause necrosis in that area.


What is the purpose of the coronary artery and what results is there is blockage in this vessel?

The coronary artery is the one which brings blood to the heart. When this is blocked, the heart is unable to pump due to lack of oxygen, and after a couple minutes the area of the heart that is receiving no blood dies. This is known as a myocardial infarction, or more commonly, a heart attack.


How does the heart receive blood into it?

the heart will get its supply of blood from the coronary artery. there are two coronary arteries in our body, the left and right coronary artery. each of these will set up small branches to supply blood and oxygen to different part of the heart. if one of these arteries get blocked, part of the heart muscle will not get enough oxygen and the person will suffer from heart attack.