Question 1

how many main coronary arteries?

Accepted Answer

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.

Question 2

how do the coronary arteries work?

Accepted Answer

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.

Question 3

why do people need coronary arteries?

Accepted Answer

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

Question 4

where are the coronary arteries located?

Accepted Answer

On the heart: The coronary arteries come from the main artery leaving the heart (the aorta). There are usually two main coronary arteries, the right and the left. They arise just above the aortic valve and then branch multiple times to supply oxygen to the heart muscle.

Question 5

where do the coronary arteries originate?

Accepted Answer

The cusps aortic val: The coronary arteries arise from the cusps of the aortic valve . The right coronary artery comes from the rt cusp and the left main from the the left cusp.The left main cor art then gives off the LAD and lcx arteries. There are cases when the take off are diffrent and this is called an abberant take off and is congenital.

Question 6

what are the three major coronary arteries?

Accepted Answer

LAD CIRC RCA: The  left anterior descending artery, the left circumflex artery and the right coronary artery.

Question 7

how many coronary arteries does a person have?

Accepted Answer

Three: Three, the left anterior descending, the left circumflex, and the right coronary artery.

Question 8

how does one have the coronary arteries checked?

Accepted Answer

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.

Question 9

how many coronary arteries are there in the body?

Accepted Answer

Three: Three ;  the lad,  short for left anerior descending, circ , short for circumflex,  and  the  right coronary arteries.

Question 10

what technology can detect blocked coronary arteries?

Accepted Answer

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.

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