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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Calcium: The Test However, because about half the calcium in blood is bound to protein, total calcium test results can be affected by high or low levels of protein. Blood Test Results Normal Range Reference Chart - BloodBook, Blood Blood Test Results 'Normal' reference Blood test ranges and Blood test The area is then re-cleaned and pressure is placed on the area with a small ball CiNii - Factors Influencing Finger Systolic Blood Pressure Test Finger systolic blood pressure (FSBP) measurement during finger cooling is a The test results depend on cold provocation procedures including finger Blood Pressure Test Technobabble Sure enough, todayâ™s second blood pressure test proved to be lower. takes three readings in succession, to provide an average of the results. How do I understand my test results? - Health Questions - NHS Direct How do I understand my test results? It can be worrying when you have to have This test is often used if you have high blood pressure or heart disease. A Blood Pressure Test May be New Way to Diagnose Fibromyalgia Can a Simple Blood Pressure Test Diagnose Fibromyalgia? Based on the results of this study, the researchers suggest looking for other FM features in High Blood Pressure (Hypertension) - Patient UK Having high blood pressure is one of several 'risk factors' that can increase your chance of A blood test to check that your kidneys are working fine, University of Illinois Medical Center:Health Library What is involved in preparation for the test? No preparation is needed for a blood pressure reading. What do the test results mean? High blood pressure Hypertension in US children undiagnosed, high blood pressure test Hypertension or high blood pressure may be affecting the long-term health of as many as 1.5 million children in the United States. Blood Pressure Test - cardiologychannel To measure blood pressure, the health care provider places a blood pressure cuff around the upper arm and inflates the cuff with air. Test Your High Blood Pressure IQ With This Quiz Take this simple quiz to test your knowledge of high blood pressure. Blood Pressure Testing and Measurement Blood pressure is measured by a quick, painless test using a medical instrument called a sphygmomanometer (SFIG'mo-mah-NOM'eh-ter). What Are High Blood Pressure and Prehypertension? Both numbers in a blood pressure test are important, but for people who are 50 or older, systolic pressure gives the most accurate diagnosis of high blood Home Blood Pressure Test - Yahoo! Health ABPM may be done if a manual or an electronic method of measurement yields inconsistent results. ABPM automatically records blood pressure over a period of Blood Pressure - Tests, Test Results & Diagnosis - NY Times Health High blood pressure increases the risk of heart failure, heart attack, stroke, and kidney failure. For people who have high blood pressure, this test is a Blood pressure Diastolic blood pressure; Systolic blood pressure. How the test is performed. Blood pressure is usually measured while you are seated with your arm resting High Blood Pressure (Hypertension)-Exams and Tests In most people who have high blood pressure without any complications, routine lab test results will be normal. Sometimes, findings may suggest the presence Home Blood Pressure Test A home blood pressure test allows you to keep track of your blood that may be ordered by your doctor if other methods do not give consistent results. MedlinePlus Medical Encyclopedia: Blood pressure Why the Test is Performed; Normal Results; What Abnormal Results Mean For people who have high blood pressure, this test is a way of monitoring the |
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