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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JSTOR: Procedures and Discrepancies of Blood Pressure Measurements In study I, procedures for taking blood pressure were observed for seven nurses, and their readings were compared with readings taken in a stand- ard manner Blood Pressure: The Procedure - - Britannica Concise Video: Blood Pressure: The Procedure. Britannica Concise. Video. Video. Media Format:. Learn the procedure for taking a blood pressure reading. Blood Pressure Testing and Measurement Risk Factors for Complications During the Procedure. Blood pressure in the cuff will then be slowly released while the person taking your blood pressure How To Take Blood Pressure Taking the Blood Pressure - the procedure of taking blood pressure takes only few seconds and this should be explained to the person of whom the pressure is Blood Pressure You must know the patient's blood pressure in case they were to faint, have a reaction, or pass out during a procedure. Accordingly, if a patient faints, High blood pressure : The medical procedure 4.2 - The medical procedure. A secondary high blood pressure disease will be Taking any pills or medicines, which could be potentially responsible for Taking the Blood Pressure Taking the Blood Pressure. switchon. Switch on the Machine. image: c. kennard. << Previous | Next >>. Explain to the person that the procedure takes just a MedlinePlus Medical Encyclopedia: Blood pressure The bottom number is the diastolic blood pressure reading. It represents the pressure in the arteries The procedure may be performed two or more times. Blood pressure measurement Most people have had their blood pressure taken at some time. It is a simple and painless procedure that gives a lot of useful information about the heart Recommendations of the BHS: Procedure The observer should outline the procedure briefly. . In patients taking drugs that lower blood pressure the measurements may vary depending on the time 3. Blood pressure measurement Procedure of the pulse rate and blood pressure measurement . This will detect if a measurer is actually taking three measurements (identity should be Taking Vital Signs HOW DO I TAKE A PATIENT'S BLOOD PRESSURE? Use the following procedures when taking a patient's blood pressure. a. Gather Materials. Taking blood pressure accurately | Nursing | Find Articles at BNET.com Taking blood pressure accurately from Nursing in Health provided free by Find which illustrates key clinical points for a common nursing procedure. Taking a Blood Pressure Accurately Tips for Taking Blood Pressures Accurately. by Becky Sisk, PhD, RN. (c) 2002. The JNC VI recommends the following procedure for taking a blood pressure: Steeles.com Taking Blood Pressure Correctly Though the procedure seems simple, taking a blood pressure reading with a cuff is fraught with potential errors that can stand between you and a valid |
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