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 High Blood Pressure? High blood pressure is a blood pressure reading of 140/90 mmhg or higher. for high blood pressure and have repeated readings in the normal range, What Are High Blood Pressure and Prehypertension? Systolic pressure is the force of blood in the arteries as the heart beats. It is shown as the top number in a blood pressure reading. High blood pressure Blood Pressure Chart - Normal Blood Pressure Range Normal human daily Blood Pressure Range can vary widely, so any single blood pressure monitor reading is not reliable. BP monitor readings must be taken at Blood Pressure Monitoring at Home -- familydoctor.org Look at the display window to see your blood pressure reading. *If you have diabetes or kidney disease, high blood pressure ranges may be lower than it Blood pressure: A chart explaining your blood pressure reading Blood pressure readings are grouped into four categories. This chart explains the readings. Measuring Blood Pressure, what the numbers mean. If your blood pressure is on the high side of 'normal' (between 130/85 and 139/89 mmHg) or if you have had a previous high reading at anytime before, Blood pressure - Wikipedia, the free encyclopedia A full bladder can change your blood pressure reading. at the low end of these pressure ranges have much better long term cardiovascular health. High Blood Pressure (Hypertension) - Patient UK However, certain groups of people with blood pressure in this range are A one-off blood pressure reading that is high does not mean that you have 'high Blood Pressure Readings - What They Mean A blood pressure reading is shown as two numbers. These numbers measure the pressure against the walls of your blood vessels. The two numbers are usually Reading Blood Pressure & Pulse Blood pressure is measured in millimetres (mm) of mercury (Hg), and pulse rate in beats per minute. The picture shows a top reading of 122, a bottom reading Blood Pressure Testing and Measurement Normal blood pressure is defined by a range of values, so don't be alarmed if your own reading is somewhat higher or lower. The important point is that the How to Measure Blood Pressure There is a wide range of blood pressure monitors available to buy and then you should not have a blood pressure reading taken on the affected arm, Blood Pressure Rangem, Hypertension, Stage, Healthy BP - Guide4Living A healthy blood pressure range does tend to differ according to various factors In general however, a normal blood pressure reading will be around REI: Crosstrain Expert Advice Normal Systolic Pressure Range: 110-140 Normal Diastolic Pressure Range: 60-80 Your blood pressure reading then automatically shows on the display Blood Pressure Monitors If your systolic (higher) blood pressure reading is consistently below 90 (or a range of recommended blood pressure monitors and see our blood pressure Blood Pressure Home Page However, a person's blood pressure usually goes up and down within a certain range every day, so it's best to use more than one blood pressure reading to Blood Pressure Reading Ranges When you take your blood pressure, be sure what the numbers mean and know exactly where you fall in the blood pressure reading ranges . What do the numbers mean in a blood pressure reading? The pressure is determined by the force and amount of blood pumped and the size and flexibility of the arteries." A reading consists of two numbers, What Is Normal Blood Pressure? At Novartis, we call this range the BP Success Zone (less than 140/90 to If your doctor says you have a high blood pressure reading the first time, |
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