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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Recommendations for blood pressure measurement in humans and Multiple authors have shown that the error in blood pressure measurement is larger when the cuff is too small relative to the patient's arm circumference Blood Pressure Test Protocol - The Jackson Laboratory If a test session yields fewer than 10 valid blood pressure measurements (out Multiple measurements over time to test diet or long-term compound effects American Journal of Hypertension - Reproducibility of Home Blood Reproducibility of Home Blood Pressure Measurements Over a 1-Year Period* . The average of multiple measurements brings about regression to the mean in UpToDate Technique of blood pressure measurement in the diagnosis Leg blood pressure ⢠Wrist blood pressure BLOOD PRESSURE MEASUREMENT AT HOME OR WORK MULTIPLE BLOOD PRESSURE MEASUREMENTS INFORMATION FOR PATIENTS Multiple imputation methods for longitudinal blood pressure Multiple imputation methods for longitudinal blood pressure measurements from the Framingham Heart Study. Terri Kang, corresponding author Ambulatory monitoring of blood pressure should be restricted to The equivalence of multiple measurements of blood pressure in the clinic and ambulatory measurement as a predictor of left ventricular mass has been AHA Updates Recommendations for BP Measurements "We've found that blood pressure measurements taken by doctors in their offices may method can be used to take multiple measurements in the office, Simultaneous application of multiple oscillometric methods for SIMULTANEOUS APPLICATION OF MULTIPLE OSCILLOMETRIC. METHODS FOR BLOOD PRESSURE MEASUREMENT IN FINGER. Ante SantiC, Senior Membh, ZEEE, Igor LackoviC GUIDELINE 3: MEASUREMENT OF BLOOD PRESSURE IN ADULTS SMBP provides multiple blood pressure measurements in the patientâ™s own environment but is a technique with many technical and reporting reliability issues. Recommendations for Blood Pressure Measurement in Humans and Blood pressure measurement is also important in the prehospital setting. Multiple techniques of blood pressure determination in the field and ambulance and Multiple Blood Pressure Readings Should Be Taken Multiple Blood Pressure Readings Should Be Taken. One blood pressure reading is not enough to get an accurate measurement. While the specifics of how many |
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