Doctor insights on:
What Are The Functions Of Coronary Arteries And Veins
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
What is unique about the pulmonary veins and pulmonary arteries when compared to other veins and arteries on the body?
They are backwards: All arteries in the body carry oxygenated blood from the heart. After leaving the arteries, blood enters capillaries where oxygen is dropped off and carbon dioxide waste is picked up. Veins then take the carbon dioxide back to the heart. Now here is the difference. The pulm. Arteries then take the blood with carbon dioxide to the lungs where oxygen is picked up and carried by the pulm. Veins. ...Read more
Chest pain: There may be no symptoms but if the blockage is severe enough, chest pain, especially on exertion, can occur. Also heart attack or even sudden death. Therefore, good to see your doctor and be advised of your risk factors and ways to prevent coronary artery blockage. ...Read moreSee 1 more doctor answer
Usually pain: A clogged artery in the heart prevents oxygen from being delivered to the heart muscle. This will cause pain especially when the heart is being stressed as during exercise or in cold weather. The pain is usually experienced as squeezing or pressure and can be present in the chest, neck, back, or arm. A person may also get sweaty and feel short of breath. ...Read more
Atherosclerosis: Plaque build up may be progressive and cut off the flow of blood to the receiving organ like the heart, brain, legs etc. Or the plaque can break open sending little pieces down stream or worse the plaque can break open and potentate a blood clot that completely and suddenly blocks the flow of blood - think heart attack or stroke. This is the #1 cause of death in the United States. ...Read moreSee 1 more doctor answer
Genes and lifestyle: Coronary thrombus is a clot in an artery that feeds the heart. Anything that damages or roughens the lining of the blood vessels could result in clot formation, such as elevated cholesterol and hypertension. Risk factors include family history of heart disease, being male, increasing age, elevated cholesterol or ldl, obesity, smoking, and being sedentary. ...Read more
Variable: Depends on the location. In the legs it can be pain with walking or at night with the legs elevated, and feel like burning. In the heart it can be chest, shoulder or jaw ache, or atypical symptoms like nausea or no pain at all. In the abdomen could be pain after eating or nausea. Other areas (hands, brain, eyes etc) also have different symptoms. ...Read more
Lymph: They function as a protective mechanism for the body ...Read more
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