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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Amazon.com: blood pressure measurement device A community about blood pressure measurement device. Tag and discover new products. Share your images and discuss your questions with blood pressure Blood pressure measuring devices: recommendations of the European Blood pressure measuring devices: recommendations of the European Society of Hypertension from British Medical Journal in Health provided free by Find Checking Up on Blood Pressure Monitors There are two alternative types of blood pressure measuring instruments being marketed. Aneroid devices, which have no liquid, use metal that acts like a Blood pressure measuring devices, Information about Blood pressure It was further refined by Etienne-Jules Marey with his 1863 sphygmograph, another blood pressure recorder. The first blood pressure measuring device that Development of an intelligent blood pressure measurement device to These observations have led to the proposal in this application, to research and develop techniques for an intelligent blood pressure measurement device Device Bulletins DB 2006(03) Blood Pressure Measurement Devices The measurement of blood pressure is important in the diagnosis and monitoring of a wide range of BHS - Blood Pressure List Below are links to the blood pressure measuring devices that have been tested according to the revised BHS protocol (1993) and/or the International Protocol Modern devices to measure blood pressure (Taken from the Medical Devices Agency 'Blood Pressure Measurement Devices - Mercury and Non-Mercury', MDA DB2000(03) July 2000) Top|Home|Sitemap ABC of hypertension: Blood pressure measurement -- O'Brien et al However, the advent of accurate inexpensive automated devices which can provide a printout of blood pressure measurement with the time and date of Blood pressure measurement Electronic blood pressure measuring devices are becoming the norm now mercury is being phased out because of its hazardous nature. Blood Pressure Measuring Devices Blood pressure measuring devices. Modern health care experts know that a patient's blood pressure is a good indicator of how healthy a person is. Measuring the Blood Pressure Sometimes an automatic blood pressure measuring device inflates and deflates repeatedly "hunting" without displaying the blood pressure successfully. High blood pressure : Why using a self-measurement device? Thanks to new automatic devices, this blood pressure measurement becomes increasingly widespread, and could be used more and more in a few years time. Blood pressure measurement : Validation of the device Presently, there are two methods of validation of the self-measurement device. The British Medical Society for high blood pressure is one and the other is Recommendations for blood pressure measurement in humans and The "gold standard" device for office blood pressure measurement has been the mercury .. As the number and type of blood pressure measurement devices and Blood Pressure Monitoring at Home -- familydoctor.org Because the digital monitor is automatic, it is the most popular blood-pressure measuring device. The blood pressure measurement is easy to read, Blood pressure measuring devices: recommendations of the European There is a large market for blood pressure measuring devices not only in clinical medicine but also among the public where the demand for self measurement |
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