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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How to Interpret a Blood Pressure Reading | eHow.com How to Interpret a Blood Pressure Reading. Blood pressure is the pressure that the flow of blood exerts against the blood vessel walls as the heart pumps. High blood pressure: Get the most out of home monitoring You also must know how to interpret those sounds â” something your doctor or nurse If your monitor doesn't automatically log blood pressure readings or InteliHealth: Her blood pressure now registers a healthier 132/82. Don't know what those numbers mean? Here's a brief lesson in interpreting a blood pressure reading. Interpreting Blood Pressure Readings in Kids - How to Determine While the official interpretation of your child's blood pressure is best left to health care professionals, this article will help you understand the basics Use and interpretation of ambulatory blood pressure monitoring Blood pressure determinations by patients with essential hypertension: the difference between clinic and home readings before treatment. Am J Med Sci 1940; Current topic: Measurement and interpretation of blood pressure The main problem with interpreting measured blood pressure is its . although the mean of several readings might be acceptable for routine clinical use. eMJA: Ambulatory blood pressure monitoring 4577 participants with repeated casual (clinic) blood pressure readings less than 140/90 4: How to interpret ambulatory blood pressure (ABP) profile Self-measurement of blood pressure: benefits, risks and The literature on the benefits and risks of self-measurement of blood pressure and interpretation of the readings was reviewed. Self-measurement of blood Scientific American Frontiers . Worried Sick.Teaching Guide In this activity, you'll learn how to take and interpret blood pressure. Take another blood pressure reading and pulse rate. Record these values. Interpreting Blood Pressure Readings by Eight-Principle Diagnostic whether approached by a seasoned long-term practitioner or someone just setting up practice, there are cases in which it is difficult to differentiate a Interpretation of Results Interpretation of Results. Blood Pressure measurement gives two readings:. 1. Systolic BP - the 'top' value, which indicates the force exerted against the |
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