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 - accurate readings with home blood How often do I take readings? Your doctor or nurse will tell you when you need to measure your blood pressure. When you first start measuring your blood How to take your blood pressure correctly: tips and advice When blood pressure readings are taken the systolic reading is given first A blood pressure monitor is the instrument used to take blood pressure. Blood pressure measurement To take a blood pressure reading, you need to be relaxed and comfortably seated, with your arm well supported. Alternatively, you can lie on an examination How to measure blood pressure For example, if one measures the blood pressure at head height, the systolic/diastolic pressure readings will be approximately 35mmHg less compared to Monitoring your blood pressure at home - Yahoo! Health This can help explain an unusual blood pressure reading and help a . You should not take your blood pressure until at least 30 minutes after exercising. How to Take Your Own Blood Pressure How to Take a Blood Pressure Reading. Omron's digital blood pressure monitors make taking your own measurements quick and easy. Just remember that you need How To Take A Blood Pressure Care Guide Information How To Take A Blood Pressure information by Drugs.com, including How To Take A A blood pressure reading is the pressure that blood puts on the walls of Checking Your Blood Pressure at Home (It's best to take your blood pressure from your left arm, if possible. Pressure readings will be displayed on the screen. For some devices, values may How To Take Blood Pressure Part 1 How to take Blood pressure BP Start by taking the blood pressure in both arms. It is common for blood pressure readings to differ by as much as 10 points. Blood pressure - Wikipedia, the free encyclopedia For blood pressure readings taken with a home monitoring device to be accurate, you take a reading to ensure consistency and accuracy of the reading. High blood pressure: Lifestyle changes to control it - MayoClinic.com In addition, a record of your blood pressure readings helps your doctor know if to healthy habits and take your blood pressure medication on schedule. HOW TO TAKE A BLOOD PRESSURE A blood pressure reading is the pressure that blood puts on the walls of arteries. How many times a day should you take your blood pressure? Steeles.com Taking Blood Pressure Correctly You may take blood pressure readings every day- but just how accurate are your findings? Make sure you meet American Heart Association standards for this Blood Pressure Readings To determine your average or typical blood pressure, your doctor may therefore ask you to take readings at various times during the day. Taking a blood pressure The left side of the heart takes the oxygenated blood and sends it to the rest of the body. When you take a blood pressure reading, you measure pressures in How to Take Blood Pressure - step by step How to take someone's blood pressure. A step by step guide with illustrations. Weak batteries may result in no reading or false readings. Understanding The Blood Pressure Reading Understanding The Blood Pressure Reading. How to Take Blood Pressure: a step by step guide. From About.com. About.com Health's Disease and Condition |
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