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Doctor insights on: Coronary Artery Cta

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Dr. Krishna Kumar
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Artery (Definition)

Arteries are defined as blood vessels which carry blood away from the heart (to either the body or lungs). Arteries: higher pressure, thicker walls, stretch (pulse) with each heart contraction & deliver blood to the arterioles which control the flow to individual capillaries. Veins are blood vessels which carry blood from capillaries back to the heart (body to right heart; ...Read more


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Will a CT angiogram of the coronary arteries reveal a pulmonary embolism or other lung disease and is it harmful to have 2 CT scans in the same month?

Will a CT angiogram of the coronary arteries reveal a pulmonary embolism or other lung disease and is it harmful to have 2 CT scans in the same month?

It might: A CT angiogram or the coronaries might show a pulmonary embolism, provided that the radiologists obtained full field of view reconstructions (some do not) and the pulmonary embolism is not higher or lower than the field of view. most often, the answer would be yes, a significant PE would be identified on this type of scan. having two ct's in the same month is not optimal, but likely of no harm. ...Read more

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How many main coronary arteries?

How many main coronary arteries?

1: When referring to the "main" coronary artery, that is usually refers to the left main (lm) coronary artery. This artery divides quickly into the left anterior and left cicumflex artery, both very important and large conduits supplying much of the heart muscle with blood. The right coronary artery usually has its own origin. In some people there is no lm and each artery has its origin off the aorta. ...Read more

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How do the coronary arteries work?

How do the coronary arteries work?

Carry blood: The coronary afteries are located just above the aortic valve. Blood flows through those arteries and suppies oxygen to the heart muscle. A number of factors can cause the arteries to dilate (become wider) so that the flow of blood can increase if needed such as when you exercise. ...Read more

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Why do people need coronary arteries?

Why do people need coronary arteries?

They feed the heart: The coronary arteries feed the heart muscle oxygen and nutients. ...Read more

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Where does coronary arteries come from?

Where does coronary arteries come from?

Heart arteries : The coronaries arteries branch off the aorta and run on top of the heart muscle, they provide blood, nutrients and oxygen to the heart muscle for it to keep pumping. When those arteries are blocked the heart muscle can die in a process called heart attack causing the patient to die or causing permanent muscle damage and heart failure. ...Read more

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Where are the coronary arteries located?

Where are the coronary arteries located?

Root of the aorta: They arise in the root of the aorta just above the aortic valve and proceed on the external surface of the heart in the interventricular groove and interatrial groove sending branches down into the heart muscle. ...Read more

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Where do the coronary arteries originate?

Where do the coronary arteries originate?

Aortic cusps: They originate in the left and right cusps (folds) of the aortic valve. ...Read more

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What are the three major coronary arteries?

Left and right: Left main coronary artery which branches into the left anterior descending and left circumflex; and right coronary artery. ...Read more

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How many coronary arteries does a person have?

Lots: There are 4 major (right coronary artery, left main coronary artery that branches out in left anterior descending and left circumflex arteries) that all give a lot of smaller branches to vascularize the heart muscle. ...Read more

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How does one have the coronary arteries checked?

How does one have the coronary arteries checked?

Full Cardiac Visit: If a cardiologist suspects cardiovascular disease, or cad, the doctor will after a full history and physical, schedule a nuclear stress test, coronary ct and, if appropriate, a diagnostic cardiac catheterization. ...Read more

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How many coronary arteries are there in the body?

How many coronary arteries are there in the body?

Four major ones.: There are four major coronary arteries, the left main (lm)' the left anterior descending (lad), the circumflex (lcx), and the right (rca). They branch into many smaller arteries. The lm is considered the most important because it is usually the largest. The lad is usually the next most important. ...Read more

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What technology can detect blocked coronary arteries?

What technology can detect blocked coronary arteries?

Cardiac Cath: Still today, the most reliable means of demonstrating "blocked" arteries is cardiac catheterization otherwise known as angiography. Ct scan angiography when done in good hands and experienced centers, is also a reliable test, and if negative, makes it very unlikely that the person has significant disease. ...Read more

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What are some of the major branches of the coronary arteries?

What are some of the major branches of the coronary arteries?

LAD, Circ & RCA: The three major arteries of the heart are the left anterior descending, lad, the circumflex and the right coronary artery, rca. ...Read more

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What is the purpose of the natural openings in the coronary arteries?

What is the purpose of the natural openings in the coronary arteries?

Blood flow: The coronary arteris originate with an os or opening which directs blood from the aorta into the coronaries and then into capillaries to provide the heart muscle with blood. ...Read more

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What is a native coronary artery?

What is a native coronary artery?

Original arteries: "Native" coronary arteries are the ones you were born with and this term is generally used to distinguish from bypass grafts, which are blood vessels surgically attached to the heart during CABG (coronary artery bypass grafting). ...Read more

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What is the definition or description of: coronary artery?

What is the definition or description of: coronary artery?

Crown: 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. Hence the name coronary. ...Read more

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Is there only a single coronary artery?

Is there only a single coronary artery?

Coronary: The general coronary anatomy starts with the left main coronary artery and the right coronary artery. These two separate arteries branch into the rest. Rarely a person has only one and the right coronary branches off the left main. ...Read more

Dr. Oscar Novick
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


Cta (Definition)

Computed tomography angiography. Specialized contrast enhanced CT technique that visualizes the blood vessels. Can simulate a traditional angiogram without ...Read more