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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What is blood pressure? When the systolic pressure is 140 mm Hg or higher, but the diastolic pressure Among the study participants, over 80 percent of individuals in this age Blood Pressure Hypertension Systolic Diastolic For example, a blood pressure reading of 120 over 80 (120/80) would mean that a systolic pressure of 140 mm Hg or higher and/or a diastolic pressure of High Blood Pressure - What it means and what you can do about it Blood pressure below 120 over 80 mmHg (millimeters of mercury) is A blood pressure reading of 140 over 90 or higher is considered elevated (high). Blood Pressure High blood pressure is when your blood pressure is 140/90 or higher. A healthy adult with a blood pressure of less than 120 over 80 is at less risk for High Blood Pressure - Things you can do to help lower yours Blood pressure of less than 120 over 80 is considered a normal reading for people 18 A blood pressure reading equal to or greater than 140 over 90 is Hypertension (High Blood Pressure) For example, a patient's blood pressure might be recorded as 140/80, which is read as "140 over 80." That reading means that the patient's highest blood Hypertension - Definition, Description, Causes, Symptoms When you have your blood pressure measured, it is written down as two numbers, one over the other like a fraction. For example:. 140/90mmHg Measuring Blood Pressure, what the numbers mean. But the new guidelines classify normal blood pressure as below 120 over 80 -- and readings anywhere from 120 over 80 up to 140 over 90 as prehypertensive. Thought Your Blood Pressure Was Normal? Think Again High blood pressure is a blood pressure reading of 140/90 mmHg or higher. If your blood pressure is 120/80, you say that it is "120 over 80." High Blood Pressure Afflicts 75 Percent with Diseases Leading to For years, Americans with blood pressure readings below 140 over 90 typically Blood pressures of 120-139 over 80-89 are considered prehypertensive. Revised Blood Pressure Guidelines Put Millions in New Category A "text" book blood pressure is 120-130 over 70-80. I think your pressure is fine. I have never seen an MD start a B?P medicine on anyone with a 140/70 B/P. If the blood pressure is 140 over 70, is it hypertension? - Yahoo Normal blood pressure is measured at less than 120 over 80. Anyone can get high blood pressure, a level of 140 over 90 or more. www.msnbc.msn.com Blood Pressure - Kosmix Topic Page - Medical Information for Blood Normal blood pressure is defined as less than 120/80. Prehypertension is 120 to 139 mmHg over 80 to 89 mmHg. Patients with prehypertension are at increased UpToDate Patient information: High blood pressure overview If your blood pressure is 120/80, you say that it is "120 over 80." When the level stays high, 140/90 mmHg or higher, you have high blood pressure. High Blood Pressure In light of the new findings, the government has reclassified normal blood pressure as lower than 120 over 80. High blood pressure is still defined as 140 Government changes high blood pressure guidelines - National You may also hear someone say a blood pressure is "120 over 80." A normal blood pressure is 120/80 or lower. High blood pressure is 140/90 or higher. High Blood Pressure: Things You Can Do to Help Lower Yours and the diastolic blood pressure to less than 90 ("less than 140 over 90"). less than 130 and a diastolic less than 80 (Áœless than 130 over 80Á«). Hypertension (High Blood Pressure) - Treatment Options Normal blood pressure in most adults is less than 120 (systolic) over 80 and Treatment of High Blood Pressure, a blood pressure of 140/90 mm Hg or |
| blood pressure 140 over 80 |
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