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1、TheMeasurmentofBloodPressureandHeartSoundWhatisbloodpressureBloodiscarriedfromthehearttoallpartsofyourbodyinvesselscalledarteries.Bloodpressureistheforceofthebloodpushingagainstthewallsofthearteries.Eachtimetheheartbeats(about60-70timesaminuteatrest),itpumpsoutbloodintothearteries.Yourbloodp
2、ressureisatitshighestwhentheheartbeats,pumpingtheblood.Thisiscalledsystolicpressure.Whentheheartisatrest,betweenbeats,yourbloodpressurefalls.Thisisthediastolicpressure.BLOODPRESSUREBloodpressureisalwaysgivenasthesetwonumbers,thesystolicanddiastolicpressures.Bothareimportant.Usuallytheyarewri
3、ttenoneaboveorbeforetheother,suchas120/80mmHg.Thetopnumberisthesystolicandthebottomthediastolic.Bloodpressurecanvarybasedonmanyfactors,includingage,gender,weightandphysicalcondition.Ingeneral,aperson'sbloodpressureislowerduringsleepandhigherwhenheorsheisactive.Bloodpressurecanchangeeasilyinr
4、esponsetophysiologicalchanges.Thesettinginwhichaperson'sbloodpressureismeasuredmayalsoaffecttheresults.BLOODPRESSUReBloodpressurechangesduringtheday.Itislowestasyousleepandriseswhenyougetup.Italsocanrisewhenyouareexcited,nervous,oractive.Still,formostofyourwakinghours,yourbloodpressurestay
5、sprettymuchthesamewhenyouaresittingorstandingstill.Thatlevelshouldbelowerthan120/80.Whenthelevelstayshigh,140/90orhigher,youhavehighbloodpressure.Withhighbloodpressure,theheartworksharder,yourarteriestakeabeating,andyourchancesofastroke,heartattack,andkidneyproblemsaregreater.BLOODPRESSURECa
6、tegoriesforBloodPressureLevelsinAdults(InmmHg,millimetersofmercury)BLOODPRESSURECategorySystolic(Topnumber)Diastolic(Bottomnumber)NormalLessthan120Lessthan80Prehypertension120-13980-89HighBloodPressureSystolicDiastolicStage1140-15990-99Stage2160orhigher100orhigherBloodPressureasaToolBloodp
7、ressureisanimportantdiagnosticindex,especiallyofcirculatoryfunction.Itisanimportantdiagnosticindexformanyreasons. Firstly,anyconditionthatdilatesorcontractsthebloodvesselsoraffectstheirelasticity,affectsthebloodpressure.Secondly,anydiseaseofthehear