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. |
| blood pressure record cards |
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1238 Correspondence Anaesthetic record card. Anaesrhesia. 1963;. I 8. 209-12. Automatic. blood pressure. monitors. In their study (Anaesthesia 1985;. 40:. 471-8) Dr C.J.H. Item Details Providing each patient with a wallet-sized blood pressure record card will remind your patient to take and record blood pressure reading regularly. medi-tech limited - Blood Pressure Monitor Not only measures blood pressure but also gives the user more valuable information; Supplied with carrying case, adult cuff, batteries and record card Community VNA - Events/Calendar Community VNA Registered Nurse checks blood pressure, which is noted on a card for your records. Card is used for future screenings. health_proffesionals_pubs These cards are ideal for screening events and can be kept by the individual so that they have a record of their last blood pressure reading. A comparison of hospital and general practice blood pressure Shared-care blood pressure record cards were issued to 149 consecutive hypertensive patients attending our hospital clinic. In 108 (72.5 per cent), Instrument for recording blood pressure - Patent 4162674 A blood pressure recording instrument for displaying pulse pressure values of a The record card has a suitable coating and displays the corresponding |
| blood pressure record cards |
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