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Doctor insights on: Where Do Coronary Arteries Empty Their Blood

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Where do coronary arteries empty their blood?

Where do coronary arteries empty their blood?

Heart Muscle: The coronary arteries arise from the aorta and course over the surface of the heart. They supply blood to the heart muscle with nutrients and terminate in small connections called capillaries with heart veins. The health of these vessels is very important. If they become "clogged" with cholesterol plaque then the blood suppy to the heart is reduced leading to chest pain and heart attacks. ...Read more

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Dr. Thomas Fiala
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Artery (Definition)

Arteries are a type of blood vessels. We can divide blood vessels into 2 categories. Arteries are high pressure vessels which deliver (red) oxygen + blood out into the body. Veins on the other hand or low pressure vessels which return (dark) oxygent - blood from the body ...Read more


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Where do coronary arteries supply blood to?

Where do coronary arteries supply blood to?

Heart: The major ones are the left anterior descending (lad), left circumflex (lcx) and right coronary artery (rca). ...Read more

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Can you tell me how the coronary arteries fill with blood?

Can you tell me how the coronary arteries fill with blood?

Yes: In diastole, mean coronary pressure falls below aortic diastolic pressure and blood follows this pressure gradient flowing from the aortic root into the coronary ostia where they are located. ...Read more

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What results from an obstruction that totally blocks the flow of blood in a coronary artery?

What results from an obstruction that totally blocks the flow of blood in a coronary artery?

Heart attack , but..: Usually a heart attack unless the person is lucky enough to have collaterals ( a backup circulation going to the same place and coming from another source). ...Read more

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Is there blood circulation in the coronary arteries?

Is there blood circulation in the coronary arteries?

Yes, except: Yes, except in areas of infarction where the myocardial cells have died. Infarcted myocardium is dead heart tissue. This is usually the result of a myocardium infarction, mi, or heart attack. The purpose of a cardiac intervention: balloon angioplasty or stent, is to save this tissue before the process becomes irreversible. ...Read more

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Can you tell me how the heart know to take blood from the coronary arteries?

Pressure: The blood moves from an area of higher blood pressure to an area of lower BP. That's why, in order to be alive, you must have blood pressure! ...Read more

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What happens if someone with low blood flow due to coronary arteries receives Epinephrine due to anaphylaxis?

What happens if someone with low blood flow due to coronary arteries receives Epinephrine due to anaphylaxis?

Risk/benefit: Anaphylaxis is a condition which may lead to instant death and thus coronary narrowing is not the primary consideration in the treatment decision. Aside from that, with anaphylaxis, blood flow to the coronary will likely decrease as well if not treated. ...Read more

Dr. Peter Ihle
2 doctors shared insights

Coronary Artery (Definition)

Coronary artery is the name given to the blood vessels that supply the myocardium. The word coronary was coined by the first anatomists that noticed that if you remove all muscle from the heart the remaining vessels resemble the shape of a corona or crown. ...Read more


Dr. Zahid Niazi
5 doctors shared insights

Cardiac (Definition)

Cardiac translates literally to "heart, " and any place the term is seen, such ...Read more