But medical information is always changing, and some information given here may be out of date. For regularly updated information on a variety of health topics, please visit familydoctor.org , the AAFP patient education Web site. A coronary artery is a blood vessel that carries blood to your heart.
Arteries are like narrow tubes.
A fatty substance called plaque can build up in your arteries, bloc blocking or slowing the flow of blood and oxygen through them. It might also develop as you get older and plaque builds up in your arteries over the years. You may get CHD if you are overweight or if you have high blood pressure, high cholesterol o or diabetes. Don t smoke. Nicotine raises your blood pressure.