coronary
81Coronary angiography — The most accurate method (the gold standard ) for evaluating and defining coronary artery disease (CAD). Coronary angiography is used to identify the exact location and severity of CAD. During coronary angiography, a small catheter (a thin hollow …
82Coronary care unit — A coronary care unit (CCU) is a hospital ward specialized in the care of patients with heart attacks, unstable angina, Cardiac dysrhythmia and (in practice) various other cardiac conditions that require continuous monitoring and treatment.… …
83Coronary sinus — Vein: Coronary sinus Base and diaphragmatic surface of heart …
84Coronary arteries — The vessels that supply the heart muscle with blood rich in oxygen. They are called the coronary arteries because they encircle the heart in the manner of a crown. The word coronary comes from the Latin corona and Greek koron meaning crown. Like… …
85Coronary ligament — For the coronary ligament of the knee, see Coronary ligament of the knee. Coronary ligament Posterior and inferior surfaces of the liver. (Coronary ligament labeled at center right.) …
86coronary heart disease — or ischemic heart disease Progressive reduction of blood supply to the heart muscle due to narrowing or blocking of a coronary artery (see atherosclerosis). Short term oxygen deprivation can cause angina pectoris. Long term, severe oxygen… …
87coronary artery bypass — ▪ surgery surgical treatment for coronary artery disease, usually caused by atherosclerosis. In atherosclerosis, fatty plaques build up on the walls of the coronary arteries, gradually diminishing the flow of blood through them. Insufficient… …
88coronary circulation — ▪ physiology part of the systemic circulatory system that supplies blood to and provides drainage from the tissues of the heart. In the human heart, two coronary arteries arise from the aorta just beyond the semilunar valves; during… …
89coronary angiography — an X ray technique for examination of the coronary arteries, often taken to also include examination of the chambers of the heart. A catheter is introduced, usually into a vessel in the groin, and manipulated into the heart. Contrast medium is… …
90coronary artery disease — CAD. A disease in which there is a narrowing or blockage of the coronary arteries (blood vessels that carry blood and oxygen to the heart). Coronary artery disease is usually caused by atherosclerosis (a build up of fatty material and plaque… …
