Manual,Sphygmomanometer,behavi health Manual Sphygmomanometer

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v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}w\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);} Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable{mso-style-name:"Table Normal";mso-tstyle-rowband-size:0;mso-tstyle-colband-size:0;mso-style-noshow:yes;mso-style-priority:99;mso-style-qformat:yes;mso-style-parent:"";mso-padding-alt:0in 5.4pt 0in 5.4pt;mso-para-margin:0in;mso-para-margin-bottom:.0001pt;mso-pagination:widow-orphan;font-size:11.0pt;font-family:"Calibri","sans-serif";mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:"Times New Roman";mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:minor-bidi;}A manual mercurial or Aneroid Sphygmomanometer is a bloodpressure measuring device operated manually rather than electronically. Ideallyoperated by a trained person, it consists of pointer dial gauge called manometer used in reading the bloodpressure on a mechanical or digital display monitor. They are described asmanual in the sense that the Cuff is inflated by squeezing the inflating a rubber bulb. Sometimes a stethoscope isattached to the device via a tube for the user to listen for the heartbeats. Theobvious advantage and benefit of using a manual blood pressure monitors is thatthey do not require batteries. The mercurial type manometers have become and areconsidered to be the gold standard because their accurate measurements andoften require minimal re-calibration. For this reason they are often used inclinical trials by pharmaceutical companies for clinical evaluations and thedetermination of high blood pressure risks to patients including pregnantwomen. Aneroid, (mechanical types with a dial) are also in common use, but theyshould be calibrated once a year against a mercury manometer. The units ofmeasurement of blood pressure are in millimeters of mercury (mmHg) and areusually given as an even number. Manual sphygmomanometers require a stethoscopefor auscultation. Although it is possible to obtain a basic reading throughpalpation, this only yields the systolic number. The devicewas first invented by Samuel SiegfriedKarl Ritter von Basch in 1881, later refined by Scipione Riva-Rocci who introduced a more easily used version in1896. However, it was not until 1901 when Harvey Cushing refined this discoveryand popularized it, best known as sphygmomanometer consisting of an inflatablecuff, a measuring unit (the mercury manometer, or aneroid gauge), and inflationbulb and valve, for manual instruments. Operation of SphygmomanometerIn humans,the cuff is normally placed smoothly and snugly around the upper arm, atroughly the same vertical height as the heart while the subject is seated withthe arm relaxed and supported. Other sites of placement may differ dependingthe species. It is essential that the correct size of cuff is selected for thepatient. Too small a cuff results in too high a pressure, whilst too large acuff results in too low a pressure. The cuff is inflated until the artery iscompletely occluded. Listening with a stethoscope to the brachial artery at theelbow, the examiner slowly releases the pressure in the cuff. As the pressurein the cuffs falls, a “whooshing” or pounding sound is heard, often referred toas (Korotkoff sounds), when bloodflow first starts again in the artery. This procedure is called Non-Invasive. Thepressure at which this sound began is noted and recorded as the systolic bloodpressure. The cuff pressure is further released until the sound can no longerbe heard. This is recorded as the diastolic blood pressure. In noisyenvironments where auscultation is impossible (such as the scenes oftenencountered in emergency medicine), systolic blood pressure alone may be readby releasing the pressure until a radial pulse is palpated (felt). Inveterinary medicine, auscultation is rarely of use, and palpation orvisualization of pulse distal to the sphygmomanometer is used to detect systolicpressure. Significance of SphygmomanometerBy observing the mercury in the column whilereleasing the air pressure with a control valve, one can read the values of theblood pressure in mm Hg. The peak pressure in the arteries during the cardiac cycleis the systolic pressure, and the lowest pressure (at the resting phase of thecardiac cycle) is the diastolic pressure. A stethoscope is used in theauscultatory method. Systolic pressure (first phase) is identified with thefirst of the continuous Korotkoff sounds. Diastolic is identified at the momentthe Korotkoff sounds disappear (fifth phase). MIC Global offers Sphygmomanometers and BloodPressure Monitors; you can check these units at, http://www.micglobal.co.uk/sphygmomanometers-and-bp-monitors-c60.htmlfor more details.