What is Cholesterol?Cholesterol is a sterol (a combination steroid and alcohol). Cholesterol is a lipid found in the cell membranes of all tissues, and it is transported in the blood plasma of all animals. Because cholesterol is synthesized by all eukaryotes, trace amounts of cholesterol are also found in membranes of plants and fungi.The name originates from the Greek chole- (bile) and stereos (solid), and the chemical suffix -ol for an alcohol, as researchers first identified cholesterol in solid form in gallstones by Francois Poulletier de la Salle in 1769. However, it is only in 1815 that chemist Eugene Chevreul named the compound "cholesterine".[2]Most of the cholesterol is synthesized by the body and some has dietary origin. Cholesterol is more abundant in tissues which either synthesize more or have more abundant densely-packed membranes, for example, the liver, spinal cord and brain. It plays a central role in many biochemical processes, such as the composition of cell membranes and the synthesis of steroid hormones. Cholesterol is insoluble in blood, but is transported in the circulatory system bound to one of the varieties of lipoprotein, spherical particles which have an exterior composed mainly of water-soluble proteins. The main types, low-density lipoprotein (LDL) and high-density lipoprotein (HDL) carry cholesterol from and to the liver.According to the lipid hypothesis, abnormally high cholesterol levels (hypercholesterolemia) and abnormal proportions of LDL and HDL are associated with cardiovascular disease by promoting atheroma development in arteries (atherosclerosis). This disease process leads to myocardial infarction (heart attack), stroke and peripheral vascular disease. As high LDL contributes to this process, it is termed "bad cholesterol", while high levels of HDL ("good cholesterol") offer a degree of protection. The balance can be redressed with exercise, a healthy diet, and sometimes medication. |
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Test and Evaluation Report of the Physio Control Blood Pressure 15, Nemeth Z, Moczar K, Deak G. Evaluation of the Tensioday ambulatory blood pressure monitor according to the the protocols of the British Hypertension Evaluation of a new oscillometric blood pressure monitor in Evaluation of an oscillometric blood pressure monitor on anesthetized cats and the effect of cuff placement and fur on accuracy. Evaluation of an oscillometric blood pressure monitor on Evaluation of a continuous noninvasive blood pressure monitor in. obstetric patients undergoing spinal anesthesia. J Clin Monit 1989;5:157-163. ABSTRACT. Evaluation of a continuous noninvasive blood pressure monitor in Printed in U.S.A.. Evaluation of a New Ambulatory Blood Pressure. Monitor (Accutracker 102): Laboratory. Comparisons With Direct Arterial Pressure, Evaluation of a New Ambulatory Blood Pressure Monitor (Accutracker AND UA-787 Plus Digital Blood Pressure Monitor Evaluation of blood pressure in accordance with WHO guidelines; Average value indicator; Irregular heart medi-tech limited - Blood Pressure Monitor The Physio Control Blood Pressure Monitor Model LIFESTAT 100 was tested for in the UH-60A helicopter under the US Army Program for Testing and Evaluation o. Test and Evaluation Report of the Physio Control Blood Pressure Clinical evaluation of the Dinamap noninvasive blood pressure monitor in pre-term neonates. H D Dellagrammaticas et al 1981 Clin. Phys. Physiol. Meas. Clinical evaluation of the Dinamap noninvasive blood pressure Evaluation of a new oscillometric blood pressure monitor in isoflurane-anesthetized dogs. DC Sawyer, AH Guikema, EM Siegel Selecting a Sphygmomanometer or Blood Pressure Monitor - from A community-based evaluation of the Vita-Stat automated blood pressure recorder. Performance review of a non-invasive blood pressure monitor. Evaluation of a community-based automated blood pressure measuring The Physio Control Blood Pressure Monitor Model LIFESTAT 200 was tested for Electromagnetic compatibility, Test and evaluation, Aeromedical equipment. |
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