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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Blood Pressure Monitors and Meters - TheMedSupplyGuide.com The digital blood pressure monitor is probably the easiest to use. Accuracy may be a concern if the individual is not able to hold a fixed position. Free blood pressure machines: Are they accurate? - MayoClinic.com Your results from a free blood pressure monitoring machine may not be accurate. To ensure accuracy, the inflatable portion of the cuff should cover at High blood pressure: Get the most out of home monitoring Don't rely on the free blood pressure machines commonly found in malls, these tips to help ensure accuracy when you measure your blood pressure at home: The accuracy of community-based automated blood pressure machines. BACKGROUND: Despite widespread use, the accuracy of community-based automated blood pressure machines has been questioned. We sought to determine if these Blood Pressure Monitoring at Home -- familydoctor.org Look at the display window to see your blood pressure reading. The machine will show your systolic and diastolic blood pressures on the screen. Blood Pressure Monitors: advice on accurate blood pressure monitors They stock a wide range of blood pressure monitors including automatic digital machines validated for accuracy by the British Hypertension Society BHS. Home blood pressure monitors questions Has it been tested for accuracy? 24. Should I be monitoring my blood pressure The machine will be set to take readings of your blood pressure at regular Blood Pressure Monitors - machines for home use. When you look at blood pressure machines, you should find they carry a ÁœCEÁ« to try and ensure that all blood pressure monitors are tested for accuracy. The Accuracy of Community-Based Automated Blood Pressure Machines The Accuracy of Community-Based Automated Blood Pressure Machines from Journal of Family Practice in Health provided free by Find Articles. Blood Pressure Machines Check out our top picks for automatic blood-pressure machines. and proper fit Clinically proven accuracy IntelliSense technology offers personalized Omron Digital Blood Pressure Monitors - blood pressure monitor Clinically validated for accuracy, the Omron IntelliSenseá® Professional Digital Blood Pressure Monitor is designed for clinical use in a professional |
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