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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Measuring Blood Pressure, what the numbers mean. High blood pressure can be a systolic reading of 140 or above, a diastolic reading of 90 or above, or both. For example, a reading of 150/85 mmHg is high Real Life Examples of High Blood Pressure These 5 people have high blood pressure and are making changes to control it. Blood Pressure 170/90 mmHg. Ron Tucker Blood Pressure 150/96 mmHg 150 over 100 - Living with high blood pressure Blog - Information Join me as I discover what it means to have high blood pressure and explore different ways 150 over 100 - Living with high blood pressure's Neighborhood High Blood Pressure (Hypertension) - Patient UK Blood pressure is measured in millimetres of mercury (mmHg). Your blood pressure is recorded as two figures. For example, 150/95 mmHg. This is said as '150 Blood Pressure There are occasions when blood pressure and other ocular findings confirm the . time of day and if the patient was sitting (example) "150/100 mmHg L.A., Systolic blood pressure -- Basile 325 (7370): 917 -- BMJ 9 10 When systolic blood pressure was reduced by at least 20 mm Hg and to less than 160 mm Hg or less than 150 mm Hg, a 35-40 % reduction in stroke, Taking a blood pressure At 150, slightly open the valve on the air pump (held in your left hand, as above). When you take a blood pressure reading, you measure pressures in the Blood pressure-150/88 and pulse 112 normal or high? - Yahoo! Answers im 14, and many times my ears got very hot and red What should you do if blood pressure control deteriorates in Blood pressure should first be controlled to at least 150/90 mmHg Joint British Societies, 2005. From primary prevention trials, there is evidence that Tight blood pressure control and risk of macrovascular and Design: Randomised controlled trial comparing tight control of blood pressure aiming at a blood pressure of <150/85 mm Hg (with the use of an angiotensin Italian Study on the Cardiovascular Effects of Systolic Blood There is no upper age limit; systolic blood pressure >= 150 mmHg in 2 visits at distance of 7-14 days, irrespective of diastolic pressure. |
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