The full name for heart disease is coronary heart disease. This is when there are blockages in the coronary arteries. These blockages are usually cause by atherosclerosis. “Atherosclerosis is the buildup of cholesterol and fatty deposits‚ also called plaques‚ on the inner walls of the coronary arteries” (A‚ 2). When these blockages start to form issues come about. Since the arteries are being blocked‚ it can result in less blood traveling to the heart. If the blood traveling to the heart is
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cardiovascular system consists of : heart (심장)‚ and vessels (혈관)‚ arteries (동맥)‚ capillaries (모세혈관) and veins (정맥). A functional cardiovascular system is vital (필수적인) for supplying oxygen and nutrients to tissues and removing wastes from them. Paths of Circulation: Pulmonary(폐의) Circuit : carrying blood to the lungs and back 1. The pulmonary circuit is made up of vessels that convey blood from the right ventricle to the pulmonary arteries to the lungs‚ alveolar capillaries‚ and pulmonary veins leading
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arm is abducted 90° angle at the elbow joint. While standing at the upper arm‚ feel for the axillary artery (lateral to the pectoralis muscle) and draw a line along it from the mid-axilla to the lower axilla. This is helpful orientation for the longitudinal course of the artery. When trying to visualize the brachial plexus‚ it is imperative to know the nerve position in relation to the axillary artery pulse. For example‚ the median nerve lies superior to the pulse‚ the ulnar nerve
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CHAPTER.1 INTRODUCTION For decades‚ scientists have been using electromagnetic and sonic energy to serve medicine. But‚ aside from electro surgery‚ their efforts have focused on diagnostic imaging of internal body structures—particularly in the case of x-ray‚ MRI‚ and ultrasound systems. Lately‚ however‚ researchers have begun to see acoustic and electromagnetic waves in a whole new light‚ turning their attention to therapeutic—rather than diagnostic—applications. Current research is exploiting
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and arteriovenous malformation. Some that are less common‚ but do occur would include drugs‚ infection‚ and trauma. Dissecting aneurysms occur when blood enters a vessel wall through a rupture in the intima‚ which is the inner lining of vein or artery. The damage in dissecting aneurysms varies greatly depending on the damage it has already caused. These are the weakest aneurysms‚ because they don’t leave the premises of the parent vessel. There are cases were dissecting aneurysms cause great damage
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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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