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1、TheMeasurmentofBloodPressureandHeartSoundWhatisbloodpressureBloodiscarriedfromthehearttoallpartsofyourbodyinvesselscalledarteries.Bloodpressureistheforceofthebloodpushingagainstthewallsofthearteries.Eachtimetheheartbeats(about60-70timesaminuteatrest),itpumpsoutbloodintothearteries.Yourbloodpressure
2、isatitshighestwhentheheartbeats,pumpingtheblood.Thisiscalledsystolicpressure.Whentheheartisatrest,betweenbeats,yourbloodpressurefalls.Thisisthediastolicpressure.BLOODPRESSUREBloodpressureisalwaysgivenasthesetwonumbers,thesystolicanddiastolicpressures.Bothareimportant.Usuallytheyarewrittenoneaboveor
3、beforetheother,suchas120/80mmHg.Thetopnumberisthesystolicandthebottomthediastolic.Bloodpressurecanvarybasedonmanyfactors,includingage,gender,weightandphysicalcondition.Ingeneral,aperson'sbloodpressureislowerduringsleepandhigherwhenheorsheisactive.Bloodpressurecanchangeeasilyinresponsetophysiologica
4、lchanges.Thesettinginwhichaperson'sbloodpressureismeasuredmayalsoaffecttheresults.BLOODPRESSUReBloodpressurechangesduringtheday.Itislowestasyousleepandriseswhenyougetup.Italsocanrisewhenyouareexcited,nervous,oractive. Still,formostofyourwakinghours,yourbloodpressurestaysprettymuchthesamewhenyouare
5、sittingorstandingstill.Thatlevelshouldbelowerthan120/80.Whenthelevelstayshigh,140/90orhigher,youhavehighbloodpressure.Withhighbloodpressure,theheartworksharder,yourarteriestakeabeating,andyourchancesofastroke,heartattack,andkidneyproblemsaregreater.BLOODPRESSURECategoriesforBloodPressureLevelsinAdu
6、lts(InmmHg,millimetersofmercury)BLOODPRESSURECategorySystolic (Topnumber)Diastolic (Bottomnumber)NormalLessthan120Lessthan80Prehypertension120-13980-89HighBloodPressureSystolicDiastolicStage1140-15990-99Stage2160orhigher100orhigherBloodPressureasaToolBloodpressureisanimportantdiagnosticindex,especi
7、allyofcirculatoryfunction.Itisanimportantdiagnosticindexformanyreasons. Firstly,anyconditionthatdilatesorcontractsthebloodvesselsoraffectstheirelasticity,affectsthebloodpressure.Secondly,anydiseaseofthehear
