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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AMBULATORY BLOOD PRESSURE RECORDING; PRINCIPLES AND PRACTICE Record indirect blood pressure with a blood pressure cuff (TSD120) and a contact microphone (TSD108) placed over the brachial artery. Portable continuous non-invasive blood pressure recording for Continuous intra-arterial blood pressure recording in ambulant subjects was initially. developed in 1969. This involves the use of arterial cannulation and Prognostic value of ambulatory blood-pressure recordings in ago enabled the continuous recording of blood pressure compared with direct arterial blood pressure recording in the. art. bracchialis. Practice audits: reliability of sphygmomanometers and blood BACKGROUND: It is uncertain whether ambulatory blood-pressure measurements recorded for 24 hours in patients with treated hypertension predict NEJM -- Prognostic Value of Ambulatory Blood-Pressure Recordings It is well established that numerous errors, biases and omissions in recording blood pressure exist. This study had two objectives. high blood pressure Software that records, charts and prints reports of your blood pressure readings WIN 98/ME/2000/XP My Blood Pressure Charting Software -- Free Download For best printing results, download this article and a blood-pressure recording chart in PDF format. (Download free Acrobat Reader for PDF files) Home Blood Pressure Monitoring Patient Instructions - UMHS Original Article from The New England Journal of Medicine -- Prognostic Value of Ambulatory Blood-Pressure Recordings in Patients with Treated Hypertension. Blood Pressure Measurement: Recommendations of the BHS Log, Chart, and Share Blood Pressure Records With Your Doctor. Available for Desktop PC, Pocket PC, BlackBerry, Palm, and Smartphone. Free Blood Pressure Tracker - log and analyze your blood pressure Your blood pressure recording is not always the same. When you are exercising or excited, your blood pressure goes up. If you are at rest, your blood |
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