incision in the chest to correct and fix abnormalities affecting heart production. The most common type of heart surgery: Coronary artery bypass grafting which improves the blood flow to the heart (Types of Heart Surgery NHLBI‚ 2013). The procedure involves using a healthy artery or vein from the body and connecting/grafting‚ to the blocked coronary artery. The grafted artery or vein bypasses the blocked portion‚ creating a new path for oxygen-rich blood to flow to the heart muscles (Types of Heart Surgery
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Cardiovascular disease (CVD) refers to damage to‚ or disease of‚ the heart‚ arteries‚ veins and/or smaller blood vessels. The three major forms of this disease are: * Coronary heart disease – the poor supply of blood to the muscular walls of the heart by its own blood supply vessels‚ the coronary arteries * Stroke – the interruption of the supply of blood to the brain * Peripheral Vascular disease – diseases of the arteries‚ arterioles and capillaries that affect the limbs‚ usually reducing blood
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narrowing of arteries. The regulatory centers of cardiac and vasomotor controls the sympathetic neuron to increase the blood pressure with regard to increase in blood volume. These regulating centers are located in the medulla oblongata show vasoconstriction while increasing heart rate. When the heart beat increases the amount of blood entering the arteries increases therefore the constriction of blood vessels takes place. The pressoreceptors in located in the aorta and carotid arteries send impulses
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disease in our arteries can begin as early as our teenage years. Often a body ’s resistance to insulin‚ which is a natural hormone produced by the pancreas‚ leads to Type 2 diabetes and disease in your blood vessels.
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hypertension‚ and what you can do to lower your blood pressure. Hypertension is a chronic medical condition where the pressure of blood in the arteries is elevated. Blood pressure is a measure of the force that blood pumps against the walls of the arteries‚ and will have two readings: the systolic pressure or the measure of the blood within the artery when the heart muscle is contracting‚ and the diastolic pressure or the pressure of the blood when the heart muscle is relaxing. It is read as systolic
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coronary arteries. The vessels that remove the deoxygenated blood from the heart muscle are known as cardiac veins. Anatomical organization The coronary circulation starts at the beginning of the aorta; here we find two arteries in the right and the left side! right and left coronary arteries.
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surgery‚in which your chest gets crack open‚ to be able to treat block arteries. However‚ an open heart valve surgery will be done without opening the chest which minimizes invasion. This surgery replaces the valve is a new artificial or prosthetic valve. The incision is near the breastbone or right chest muscle. The quintuple bypass surgery corrects the condition known as coronary arteries disease‚ in which the coronary arteries are severely blocked‚ making it difficult for blood to get to the heart
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The human heart pumps blood through veins‚ arteries‚ and capillaries all the time in order to stay alive. A heart attack occurs when cells in the heart cannot receive enough oxygen because not enough blood is being circulated. The more time that passes without proper treatment in order to restore the flow of blood‚ the greater the risk a person has of damaging their heart and of dying. Atherosclerosis is the hardening and narrowing of the arteries and it is usually the cause of heart attacks
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Give an account of how a poor diet and obesity can increase the chance of a person developing Coronary Heart Disease (CHD) A good diet consists of consuming a full range of all the various nutrients needed for proper function of the body and bodily systems. When someone consumes the correct nutrients in the correct proportions‚ they are considered to have a “Balanced Diet”. However‚ when someone is not consuming the correct nutrients or not consuming the correct amount of nutrients they are
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layers of the wall of the carotid artery in your neck. Although this is not the same as examining your coronary artery‚ studies of thousands of patients worldwide have shown that the thickening of the carotid artery or the actual presence of plaque can indicate the risk of atherosclerosis‚ heart attack‚ and stroke. Coronary Calcium Scoring In a coronary calcium scoring test‚ CT scans are taken of the heart to detect the amount of plaque on your coronary artery walls‚ which can block blood flow
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