ThehumanheartistheoneorganthatpowerstheentirebodyWithoutitwewouldn'tbeabletodothesimplest functions.Simplethingsliketalking,walking,andevenbreathingreliesontheheartpumping.Pumpingbloodinto allthedifferentpartsofthebodyallowsthecirculatorysystemtosupplyoxygenandnutrientstothetissuesand removecarbondioxideandotherwastes.Theheartisamuscularorganaboutthesizeofaclosedfistthatfunctions asthebody'scirculatorypump.Thereare...
TheHeartOfAHeart:TheBeautyOfTheHeart
leather-toppeddesk"Theusageofmusicaljargonisfollowedbytheuseofsimilewithinthetexttoillustratethis Theexamplehereisusedtorevealmovement,anditslinkstothebeautyoftheheart.Movementisconstantly revealedthroughoutthis,whentheauthoralludestothefactthatthemovementwithintheheartresemblesachild "…Murmursthatcanbehigh-pitchedorlow,loudorsoft…".Thewordmurmurpresentsavocaldirectionwhen personifiedrepresentsthemurmurofachildasthemurmurs
TheHeartOfHeartAttack
Theheartisthemostessentialbiologicalstructureinthebodysystem;nobodycanlivewithouttheheart.The majorroleoftheheartistopumpbloodthroughoutalltheorgansinthebody;bloodtransportedbytheheart carriesoxygenandnutrientsaroundthebodyandremovesallthedangerouswastesWeneedoxygentobreathand nutrienttomaintainourhealth.Allmusclesintheheartneedoxygentofunctionproperly.Whenthereisa restrictionofbloodflowtotheheart,thecoronaryarteries
TheHeartAndTheHeartOfTheHumanHeart
HEARTDISEASEHeartdiseasesalsoknownascardiovasculardiseasesarevariousconditionstypesthatmay interferewiththefunctionoftheheartTheseconditiontypesincludeatheroscleroticalsoknownascoronary arteryheartdiseasewhichisshowntoaffectarteriesleadingtotheheart,theheartvalvediseasewhichaffectsthe functionalityofvalvesinregulatinginandoutofthebloodflowtotheheartCardiomyopathyaffectsthe squeezingoftheheartmuscles.Arrhythmiasalsocalledthe...
TheHeartOfHeartFailure
ResearchbytheAmericanHeartAssociation(2014)statesthatheartfailureeffectsanestimated51million Americansanditispredictedtoincrease25%by2030Heartfailureisapathophysiologicalconditionthat indicatestheheartisunabletopromoteenoughcardiacoutputcausinginsufficientbloodsupplytothebody. Pharmacologicaltreatmentforcardiacfailureisdependentupontheabilitytodecreaserateofbloodflowand bloodpressure.Survivalafterheartfailurediagnosishasimproved...
TheHeartOfAHeartDisappointment
Introduction:ServicesDirectorsfortakingcareofheartsThoseserviceswillhelptohaveabetterqualitybutwith highercost.Ceaselessheartdisappointment(CHF)isaperplexing,cripplingdisorderbecauseofcardiovascular brokennessthatweakensthecapacityoftheventricletoloadwith,orlaunch,bloodSubsequently,commonside effects,forexample,dyspnoeaandwearinesshappenverystillorwithlessenedphysicalexertionCHFregularly comesaboutbecauseofharmtothemyocardium...
TheHeartOfHeartDisease
TheHeartOfHeartDisease
Basedoffofthecasestudyregardinga47yearoldmanwhohasrecentlybeendiagnosedwithaheartdisease knownasCAD;Idecidedtofurthermyresearchonthistopicbecauseitwasintriguingtodiscoverallheart diseasesincludingcoronaryheartdiseasearetakingthelivesofcountlessindividualseachyearinournationA tremendousnumberofmorethan13millionAmericans(2005-2015,WebMD).Thischronicdiseaseisalsoknown asatherosclerosisandischaracterizedasafattyplaquebuild-up
TheHeartOfHeartDisease
Heartdiseaseisknownwidelyallovertheworld.It'sthenumberonedeathissueintheUnitedStatesandalsoin thestateofOklahomaEventhoughAmericaiscountedasoneofthedevelopedcountriesintheworld,however,it stillhasanissueoffindingacuretostopthesedeadlydiseases.InOklahoma,thenumberonedeathissueisheart diseaseandstrokes(HeartDiseaseandStrokes)."ItisOklahoma'sleadingkillerforbothmenandwomen, resultinginmorethan9,000deathsin2012"(Understanding
DenotationOfAHeartInRitaDove'sHeartToHeart
minds,aheartcanbreak,ache,change,melt,sink,weep,belong,eat,harden,skip,open,rest,steal,leap,learn, faint,anddomanyotherextraordinaryfeatsStill,whatonemaynotrealizeisthataheartisjustthat,adisfigured organinone'sbodythatisconstantlypumpingoutbloodtokeeponealive.Insteadofsuccumbingtothesocietal connotationsofaheart,RitaDoveexpressesindividualityin"HearttoHeart"byembracingthedenotationofa heart.Doveoutlinesthataheartonlysustains...
HeartAttacks:AHeartAttack
HeartattackscanbescarynomatterwhoyouareorwhatyouhaveexperiencedTothinkthataheartattackcould happentoyouorsomeoneyoulovecanbeterrifying.Asyouagetheriskofyouhaveaheartattackbecomes higherandhigherWhensomeonehasaheartattacktheirbloodthatproducestheoxygenforyourheartcannot gettoyourheartbecauseitbecomesblocked.Therefore,yourheartcannotgettheoxygenthatitneedstosurvive. Thisisascarythoughtbecauseifthebloodcannot...
HeartSmartOrHeartFailure
HeartSmartisavoluntarynonforprofitorganizationthatisworkingtobringawarenesstowardscongestiveheart failurealsoknownasCHForheartfailure.CHFisachronicconditioninwhichtheheartdoesnotpumpbloodas wellasitshouldHeartfailurecanoccuriftheheartcannotpump(systolic)orfill(diastolic)adequately Symptomsincludeshortnessofbreath,fatigue,swollenlegs,andrapidheartbeat.Treatmentscanincludeeating lesssalt,limitingfluidintake,andtakingprescription
TheCardiovascularSystem:TheHeartAndTheHeart
cardiovascularsystem,alsoknownasthecirculatorysystemismadeupoftheheart,thebloodvesselsandthe blood.Itisadoublecirculatorysystembecauseitismadeupoftwodifferentcircuits;thepulmonarycircuitwhich isbetweentheheartandlungsandthesystemiccircuitwhichisbetweentheheartandtheotherorgansaround transferringthenutrientsandwasteinandoutofthebody.Thismeansthebloodpassesthroughthehearttwice duringthecardiaccycleTheseimageshavebeen
SimilaritiesBetweenTheHeartAndHeart
Theheartandthebrainarebothuniquelyfascinatingorgansinthehumanbody.Peopleprobablybelievetheheart andthebrainareverydifferentfromeachotherTheyprobablythinkthebrainiswhatweusetothink,make decisions,dowellonEnglishpapers,andhowweknowhowtodoourjobs.Theyprobablythinktheheartishow wepumpbloodthroughthebody,whatthedoctorlistenstoduringpatientcheckups,orthatwehavehadameal thatjustdidn'tagreewithus.Thesedoseemlikequite...
Korotkoff:TheHeartAndTheSoundOfTheHeart
Whatanatomicalstructureoftheheartproducesthe"lub"and"dub"sounds?WhatareKorotkoffsounds?Howare Korotkoffsoundsdifferentfromthe"lub""dub"sounds?Theheartisconnectedtotherestofthecardiovascular systemthroughseverallargearteriesandveins.Therightatriumreceivesbloodthroughthesuperiorandinferior venacava,thetwolargestveinsofthebody,whiletheleftventriclereceivesbloodthroughthepulmonaryveins Therightventriclepumpsbloodthroughthepulmonary...
TheHeartSummary:TheAnatomyOfTheHeart
AnatomyoftheheartName:RitaAttahTutor:MarkDrummondCollege:NorthHertsCollegeIntroductionThe heartTheheartisamuscularorganfoundinthethoraciccavitybetweenthelungs.Theheartisprotectedbytherib cage.Itisalsosurroundedbyamembranecalledthepericardium.Thismembraneconsistsofathinfilmoffluidto preventtheheartfromfrictionTheheartconsistsofdoublepumpsEachpumpismadeoftwochambersThe uppermuscularchamberisknownasatriumand...
TheHumanHeart:TheEmbryologyOfTheHeart
Thehumanheartisamyogenicmusclevitaltohumanlifeasitisthemusclewhichdealswiththepumpingof oxygenatedanddeoxygenatedbloodthroughouttheentirebody.Duetoimportanceoftheheartanunderstanding ofthiscomplexmuscleisnecessaryTherefore,todayIhopetodiscusstheembryologyoftheheartTheformation oftheheartbeginsduringthethirdweekofdevelopment,theembryoundergoesgastrulationintheembryonic plateproducingthreegermlayers(ectoderm,mesodermand
TheHeart:TheStructureAndStructureOfTheHeart
Theheartisamuscularorganaboutthesizeofaclosedfistthatfunctionsasthebody'scirculatorypump.Ittakes indeoxygenatedbloodthroughtheveinsanddeliversittothelungsforoxygenationbeforepumpingitintothe variousarteries(whichprovideoxygenandnutrientstobodytissuesbytransportingthebloodthroughoutthe body).Theheartislocatedinthethoraciccavitymedialtothelungsandposteriortothesternum.PericardiumThe heartsitswithinafluid-filledcavitycalled
TheFrogHeartAndTheFrogHeart
isolatedorgansandallowthemtoperformastheydoinsidethebody(Silverthorn,2013).Thefrogheartbeats slowlyandthereforeallowsustoeasilyobservethemechanicalactivityofthecardiaccycle(Courtice,1989)The heartismadeupofcardiacmuscle.Comparedtoskeletalmuscle,cardiacmuscleexhibitsafewdifferencessuchas rhythmicityThefrogheartisdifferenttothemammalianheartinthatithasthreechambersinsteadoffour (Sherwoodetal,2013).Thepacemakercellsarelocated...
FunctionOfHeart:FunctionsOfTheHeart
FunctionoftheHeartTheheartisthepumpthatpropelsthebloodaroundthebodyprovidingessentialnutritionto cellsandtissues.Theheartisthemostimportantmuscleinthehumanbody.Itisaboutthesizeoftheowner'sfist. TheheartisthepumpthatdrivesthewholecirculatorysystemItreceivesandpropelsblood,rhythmically contractingwitheveryheartbeatandforcingthebloodthroughasystemofarteriesveinsandcapillaries,whereit eventuallyreachescellsandtissues.Blood...
TheHumanHeart:TheEmbryologyOfTheHeart
Thehumanheartisamyogenicmusclewhichisvitaltohumanlife,asitisthemusclewhichdealswiththe pumpingofoxygenatedanddeoxygenatedbloodthroughouttheentirebody.Duetotheimportanceoftheheartan understandingofthiscomplexmuscleisnecessaryTherefore,todayIhopetodiscusstheembryologyoftheheart Theformationoftheheartbeginsduringthethirdweekofdevelopment,theembryoundergoesgastrulationinthe embryonicplateresultingintheformationofthreegerm
HeartSuffufficiency:WhatIsHeartInsufficiencyOrHeartFailure?
HeartInsufficiencyWhatisheartinsufficiencyorheartfailure?Firstofallitisimportanttoclarifywhatheart insufficiencymeans.Heartfailureisachronicandprogressiveconditioninwhichthetheheartcan'tpumpblood properlythroughthebodyItcan'tkeepupthebody'sdemandsofbloodandoxygenThehearttriestocompensate thelackofbloodsupplybyvariousoptions:Enlarging:Theheartstretchestocontractstrongerthanusualwhich leadstoanenlargingoftheheart
HeartRateInTheHeart
Theheartisamusclethatisusedtopumpbloodthroughoutthebodyandhelpscirculateoxygenandredblood cellstomusclesandorgansHeartrateisthemeasurementofhowmanytimesaperson'sheartbeatsinacertain amountoftime.ItismeasureinBPM(beatsperminute).Heartratecanbeaffectedbytheworkofthemusclesin thebodyThemorestrainthemusclesofthebodyareunderorthemoreworktheydomeansahigherheartrate Recoveryrateisderivedfromthemeasuringtheheart...
TheHeartFunction:TheStructureOfTheHumanHeart
FrommyhighschoolHumanAnatomyandPhysiologyclass,Ivaguelyrememberthestructureofthehuman heartThehumanheartisfairlysimpleatanon-cellularlevelYourheartcontainsarightandleftatrium,and directlyunderthose,aleftandrightventricle.Thesearethefourchambersofthehumanheart.Yourheartalsohas twomainexitingarteries:thepulmonarytrunkwhichexitsfromtherightventricleandtheaortawhichexistsfrom theleftventricle.Thepulmonarytrunkcarries"dirty"...
TheHeartAndItsFunctionInTheHeartOfTheHumanBody
TheheartisoneofthemostimportantorgansinthehumanbodyItcirculatesbloodtotherestofthebodyThe heartismadeupoffourchambers,ofthetwochambers,thetwoupperchambers(knownastheatria)andtwo lowerchambers(knownasventricles).Theheartismadeupofthreelevels:themyocardium,theendocardium, andtheepicardiumThemyocardiumisthemuscularmiddlelayeroftheheartItcontainsstriatedcardiactissue andthemyocardiumisinchargeofpumpingbloodandthe...
TheHeart:TheFourComplexChamberssOfTheHeart
Wehavelearnedthattheheartisacomplexmusclethatpumpsbloodthroughoutthebodyforthepurposesof tissueoxygenationandgasexchange(wasteremoval).Wemustnowdiscussthefourseparatechambersofthe heartthroughwhichthisbloodflowsthroughTostart,thetwoupper,orsuperiorchambersareknownastheatria, andthetwolower,orinferiorchambersareknownastheventricles.Thesefourchamberscanfurtherbeseparated intoleftandrighthalf'sEachhalfcontainsasuperior
LabReportHeartDissectionOfTheHeart
ReportHeartDissectionTheheartisafantasticalorgan.Thefactthatitcancirculatebloodthroughoutthebodyin aquickspanoftimeandmakesureeverylimbandorganisnourishedisastoundingThewonderisonlyincreased whenwelookupontheheartinanAristoteliansense,assomethingcreatedandworkingtowardsafunction,where everypartisthereforareason.Ifwekeepinmindthepurposeoftheheartwhilelookingatthewayitisstructured withveins,arteries,andtheheartitself
TheHeartOfHeartFailure
Americanshavebeendiagnosedwithheartfailure"(Mancini&Colombo,2015,p.2542).Heartfailureisa conditionwheretheheartdoesnotpumpasefficiently;therefore,itdoesnotmeettheneedsofthebodyThereisa growingnumberofheartfailurepatientseachyear."Morethan300,000deathsperyearareattributedtoheart failure,andtheannualcosttomanagethesepatientsiscloseto$40billion"(Mancini&Colombo,2015,p2542) Sincetheheartfailurepopulationissteadilygrowing...
ArtificialHeart
Coronaryheartdisease,oneofthemostpervasivediseases,hasinfluencedmillionsofindividualsaroundthe globe.In1995,4000patientswaitedfordonorheartsand731ofthemdiedwaiting(ijates).Asthenumberof patientssufferingfromheartdiseaseincreased,thedemandfordonorheartsincreasedalongwithitForthis reason,ithasbroughtbiomedicalengineersandresearchersclosertodevelopingdeviceslikedefibrillatorsand artificialheartsthatmayalleviatepatients'pain.Artificial...
TheHumanHeart
ThehumanheartisslightlybiggerthanthesizeofonesfistItissituatedataverysafeplacewhichisbetweenthe cagebones,i.e.,inthecenterofthechest.Usuallyitisslightlyontheleftsideofthechestbutinrarecases,itcan befoundontherightsideHeartisresponsibleforthebloodflowtoeverysinglepartofthebodybyconstant contractionandrelaxationofcardiacmuscles.Thisisthereasonwhywehearrhythmicbeatsallthetime.Heart pumpsthepurebloodtothedifferent
HeartStructure
Thispassageismainlyaboutthestructureandfunctionoftheheartwhichislocatedinthemiddlecompartmentof thechestbutalsotellsaboutcardiovascularsystem,pulmonarysystemandsoon.Inthefirstparagraph,author illustratesabouttheheartshortlyTheheartisamuscularorganinhumansandotheranimals,whichpumpsblood througha60,000mileofbloodvesselsofthecirculatorysystem.Bloodmovesthroughmanytubescalledarteries andveinswhichtogetherarecalledbloodvessels
HeartSurgery
Openheartsurgerycanberealpainfulonafamily,justasitistothepersonhavingit.Myfatherhadtoundergo thisprocedure,andmighthavetoundergoitagainThiswasadevastingtimeformyfamilyandmyselfThis occurredalmosttwoyearsago.Theeveningbeforemyfather'ssurgerytheyhadhimtakeashowerorbedside bathTheytoldhimtouseaspecialsoaponhischestandlegsThisspecialsoapkillsthebacteriaonyourskinand helpstopreventinfectionaftersurgery.The...
HeartArrhythmia
Heartarrhythmiaisatermthatreferstoalargenumberofconditionsthatarecausedbyabnormalelectrical activitywithintheheart'snodesorsectionsArrhythmiasmaybemedicalemergenciesthatresultincardiacarrest ortheymaysimplybeanabnormalawarenessofone'sheart-beat.Palpitations,forexample,arenotusuallylifethreateningTheymaybebroughtonbystress,hormones,exercise,medicationsoranxietyAnxietydisordersare characterizedbyfrequentpalpitationsandmay...
TheHeartExperiment
functionoftheheartTheheartisanorganthatpumpsbloodthroughoutthebodyThebodyreliesontheheart becausethehearthastopumpbloodtothebody.Theheartreceivesbloodfromthebody,whichitthensendsto thelungs.Thelungsgiveoxygentotheblood.Thatbloodthengoesbacktotheheart,wheretheheartpumpsit backtothebodyThebodyneedsoxygenbecauseitneedsoxygenforenergy,whichiswhytheheartisvery importantforthebody.Withouttheheart,thereisnoblood...
Theventriclesoftheheartconnectedsointimatelytoeachotherindrivingthefunctionofthewholeheartwere thereforethoughttohaveverysimilarfunction.Moreover,theproteinsofLVandRVoriginatefromthesame genes(Myl6forELC,MYH6andMYH7forHC,MYL2forRLC,MYL3forLC)Only,recentadvancesshed lightontheirdissimilaritiesatvaryinglevelsofgenetic,proteomic5,forcestudiesetc14,24,38.Muchofthe differencesintheLVandRVareexplicablefromtheirdifferent
HeartPathophysiology
Thefunctionoftheheartistopumpbloodaroundthebody.Itisahollowmuscleandcanbefoundbetweenthe lungsinthemediastinumandbehindthesternumandbetweenthesecondandsixthribsItisthesizeofafistand hasfourchambers.Theupperchambersaretheleftandrightatria,withthebottomchamberstheleftandright ventricles.Theheartconsistsofseverallayers:thepericardium(outerprotectivecoveringoffibroustissue),the epicardium(madeupofepithelialcellsandsecretes
TheHeartEssay
THEHEARTTheheartisamuscularorganaboutthesizeofaclosedfistthatfunctionsasthebody'scirculatory pumpIttakesindeoxygenatedbloodthroughtheveinsanddeliversittothelungsforoxygenationbefore pumpingitintothevariousarteries(whichprovideoxygenandnutrientstobodytissuesbytransportingtheblood throughoutthebody)Theheartislocatedinthethoraciccavitymedialtothelungsandposteriortothesternum Onitssuperiorend,thebaseoftheheartisattached...
TheVentriclesOfTheHeart
HeartandPoints
1ÂWhichlayeroftheheartwallconsistsofcardiacmuscletissue?(Points:1)ÂÂÂÂÂÂÂEpicardium
ÂÂÂÂÂÂÂPericardiumÂÂÂÂÂÂÂMyocardiumÂÂÂÂÂÂÂEndocardium
ÂÂÂÂÂÂÂHypocardium2ÂWhichbloodvesselshowninthefigurecarriesoxygenatedbloodtothelower thoraciccavityandtheabdominalcavityofthebody?Â(Points:1)ÂÂÂÂÂÂÂAÂÂÂÂÂÂÂB
ÂÂÂÂÂÂÂEÂÂÂÂÂÂÂFÂÂÂÂÂÂÂH3.ÂBloodleavingtheleftventriclepassesthrough whichofthefollowingstructures?(Points:1)ÂÂÂÂÂÂÂRight
HeartHomeostasis
Theheartisanorganthatcanbeseenasthecenteroflifeforanorganism.Itfunctionissimplebutofgreat importanceasithastopumpbloodthroughtheorganism(Unknownetal,2017)Inmammalsandlandbased organismstheheartpumpsdeoxygenatedbloodtothelungswhereitthenmovesbacktotheheartandispumped totheoutermostextremities,musclesandallotherorgans(Campbelletal,2008)Theheartisastriatedmuscle butunlikeotherstriatedmusclesitisinvoluntarily...
TheHeartOfTheLungs
existtodayThelungsareclassifiedasoneofthehardest-workingorgansinthebody,besidestheheartTheycan expandandcontractupto20timesaminuteormoretoprovideoxygentobedistributedtotissuesinallpartsof thebody.Theyareconsideredtobethelargestorganinthebody.Takingupoverfortypercentofthechestcavity. Duetothesize,wecanonlyhavetwoThehearttakesuptheotherspaceintheuppercavityEachlungismade upofaspongelikematerialoftissue...
AuscultationOfTheHeart
HeartmurmursareswishingorwhooshingsoundscreatedbyturbulentbloodwitheachheartbeatThissoundis usuallyobservedthroughauscultationoftheheartwithastethoscope.Manytimes,thissoundisindicativeto underlyingcardiacabnormalitiesHowever,thesoundcanbebenignandmanylivewithoutincidentand asymptomatic.Abnormalitiestothestructureoftheheartmaybethemaincause.Thesemalfunctionscanbe congenitalinnatureormaycomewithstressontheheartandvalves.Common...
HeartPathophysiology
TheheartisoneoftheearliestdifferentiatingandfunctioningorgansofthehumanbodyInhumanembryos,the heartwilldevelopfromthemesodermandbegintobeatinalittleoverthreeweeks.1Whentheheartisfully formed,itwillbeaboutthesizeofalargefistandwillserveasthecirculatorypumpforthebody2Inthisroleit aidsinpulmonarycirculationwherebloodissenttothelungstobeoxidizedandinsystemiccirculationwhere bloodissentthroughoutthebodyThisprocess
TheHeartAndTheLiver
Theheartandtheliverarenearlyrelated,What'smorethisneedbeenknownforanumberaconsiderablelength oftime.So,patientsforintenseAlsoincessantheartdisappointmentcreatemanifestationsidentifiedwiththose liverInthesettingaboutright-sidedheartdisappointmentarangefromclaiminghepaticderangementsoccur, knownascardiovascularcirqueorcongestivehepatopathy(MollerAlsoBernardi,2013).Thoseimpactof cardiovascularcirqueaheadprognosismaybenotthatclear
HeartAttack:AnAmericanHeartAssociationVolunteer
athighestriskofhavingheartattackduetoherpersonalandmedicalbackgrounds.Sheis46yearold,African womanwhichaccordingtostudypublishedinNewEnglandJournalin2009,Africanshavemuchhigherincidence ofheartfailurethananyotherraces,andbeforeage50heartfailurerateis20timeshigherShehasastrong familyhistoryofcardiovasculardisease.Shelostherfatherandgrandfatherfromheartattackthatincreasesher riskofdevelopingheartdiseaseHerobesity,smoking
CharacteristicsOfHeartLocatedOnTheFourChambersOfThe Heart
Terms:LeftAtrium–oneofthefourchambersoftheheart,locatedontheleftposteriorsideRightAtrium–one ofthefourchambersoftheheart,locatedontherightposteriorsideLeftVentricle–oneoffourchambersofthe heart.Itislocatedinthebottomleftportionoftheheartbelowtheleftatrium,separatedbythemitralvalve.Right Ventricle–oneoftheheart'sfourchambers.Itislocatedinthelowerrightportionoftheheartbelowtheright atriumandoppositetheleftventricle
HeartFailuresOfHeartFailure
Heartfailuredescribesamedicalconditionwhentheheartisunabletopumpsufficientbloodtothebody[85] Whileheartfailuredoesnotmeantheimmediatestoppingoftheheart,itisaseriousandfatalconditionAstudy hasfoundthatthe4-yearmortalityrateforchronicheartfailurewas43%forpatientswithpreservedsystolic function,and54%forpatientswithreducedsystolicfunction[86]Heartfailureisprevalent,withabout2-3%of adultsworldwideshowingsignsofheartfailure...
SimilaritiesBetweenSheepHeartAndPigHeart
CardiovascularSystemThefetalpigheartandthesheepheartwereverysimilarinstructureTheybothconsistof twoatriaandtwoventricles.Thebiggestdifferencenotedbetweenthefetalpigandthesheepheartswerethesize. Thesheepheartwaslargerthanthepig,althoughthepigheartseemedtohavethickermyocardialmusclesThe fourvalvesoftheheartarethetricuspidvalve,thepulmonicvalve,themitralvalve,andtheaorticvalveThe tricuspidvalveislocatedbetweentheright...
HeartDisease:AGenericTermForHeartConditions
HeartDiseaseisagenerictermforheartconditionsandtherearemanyoftheseifyouweretolookattheBritish HeartFoundationwebsite;atleast19arelisted.Heartconditionsaffecttheperformanceoftheheartandthemain causeofdeathamongstheartconditionsisCoronaryHeartDisease,accordingtotheNHSwebsiteThisiswhen theheartmusclereceivesinadequatebloodflowduetoaninterruptionofitsbloodsupply,(TortoraandDickenson 2011).CoronaryArteryDiseaseisthemostcommon...
WhyHeartFailure(Hf)IsTheInabilityOfTheHeart
Heartfailure(HF)istheinabilityofthehearttopumpadequatelytomeetthemetabolicneedsofthebody(Jeffrey etal,2007)Itiscausedbystructuralorfunctionalabnormalitiesoftheheart(NICE,2003)Thereduced contractilityleadstoareducedstrokevolume,andthereforetheheartrateisincreasedtohelpmaintaincardiac output.HFcaneitherbechronicwhereithasbeenoccurringovertimeoracute,whereithappenssuddenly. Around900,000peopleintheUKhaveHF,withalmost
TheHeartOfHeartFailure
Heartfailureisachronic,progressiveconditioninwhichtheheartmuscleisunabletopumpenoughbloodthrough tomeetthebody'sneedsforbloodandoxygenBasically,theheartcan'tkeepupwithitsworkloadAmerican HeartAssociationStatistics(2016)revealsthatheartfailureaccountsfor36%ofcardiovasculardiseasedeaths. Projectionsreporta46%increaseintheprevalenceofHeartFailure(HF)by2030byaffectingover8million peopleabove18yearswiththedisease.HealthyPeople...
HeartSuccessure:WhatIsHeartFailure?
Whatisheartfailure?Heartfailureisaconditioninwhichtheheartisunabletopumpbloodwithenoughforce andspeedtomeettheneedsofbodytissuesInsomecases,theheartpumpsbloodfastenoughtomeettheneedsof thebody,butatthecostofextrawork.Itdoesthisbyincreasingthepressurewithintheheartandbloodvessels. TheincreasedpressureaccentuatesthewearofheartThisstateisknownascongestiveheartfailureorheart failurename.Thetermheartfailureseemsto...
HeartAttacks:Echocardiography
Whatisaheartattack?Aheartattackisasuddenandsometimesfataloccurrenceofcoronarythrombosis,resulting inthedeathofpartofaheartmuscle.Itcanalsobecalledmyocardialinfarction,acutecoronarysyndrome,or coronarythrombosisTherearegreaterthanthreemillioncasesjustintheUnitedStatesperannumTherearethree mostpopularmethodstodiagnoseaheartattack.BloodtestsDuringbloodtests,bloodischeckedforabnormal amountsofproteinssuchascardiactroponin
TheCardiovascularSystemOfTheHeart
consistsoftheheart,whichisamuscularpumpingdevice,andvesselscalledarteries,veins,andcapillaries (Silverthorn,D.U,etal.2016).Theheartpumpsbloodaroundaclosedunitofvesselsasitpassesthrough circulationsofthebodyThehumanheartisafour-chamberedmuscularorganTheheartisenclosedina pericardialsacthatislinedwiththeparietallayersofaserousmembrane(Silverthorn,D.U,etal.2016).Thereare threelayersoftissuethatformtheheartwall:theinner
HeartAttackPaper
HEARTATTACKSEachYear1.1MillionpeopleintheUnitedStateshaveheartattacksandalmosthalfofthem dieItmaybesurprisingthatwhilemanywomenbelievebreastcancerismostthreateningtothem,itisafactthat theyareeighttimesmorelikelytodieofaheartattack.CoronaryArteryDiseasewhichoftenleadstoaheart attackisbyfartheleadingcauseofdeathofbothmenandwomen.WHATISAHEARTATTACK?OtherNames foraheartattackincludethenameMyocardialInfarction
heartache,givingeachpersonafalseassumptionthatemotionscomefromour"hearts"Thishypothesiscame whenpeoplenoticedthattheirheartbeatfasterwhentheywerefrightenedoreventhrilledandtherestwashistory Butinrealityweknowthatthebrainisthecentralhousingforemotionsandinformstheheartthatitshould increaseitsspeedLocatedinthemiddleofyourchestslightlytotheleftisyourheart,itisthesizeofyourfistand isthemostimportantmuscleinyourbody...
AnatomyAndPhysiologyOfTheHeart
knownastheheartisamajororganthatcirculatesbloodthroughthehumanbodybyveinsandarteriesknownas thecirculatorysystem.Duringthepumpingactionitcarriesdeoxygenatedbloodthroughtheveinstothelungs whereoxygenationtakesplaceandisthencirculatedthroughthearteriesbacktotheheart.Anatomyand PhysiologyoftheHeartTheheartislocatedinthethoraciccavityofthechestinthemiddleofthelungsand beneaththesternum.Atthebase,ortopoftheheart,istheaorta...
TheDiagnosisOfHeartDisease
DIAGNOSISOFHEARTDISEASEDataminingasithasbeenestablishedissimplyawayofgettinghidden knowledgeorinformationfromdata,thetechnique(s)employedsearchforconcurrency,relationships,andoutliers inthisdatathattheypresentasknowledge[4]Thisknowledgecanthenbeusedindifferentapplications Predictionisoneofthewaysthatthehiddenknowledgegottenfromthedatacanbeused.Themainaimistousea largenumberofpastvaluestoconsiderprobablefuture[9].Heartdisease...
BloodAndWastesTheHeart
HeartExerciseAnalysis
thatexercisehasonyourheartrateisthatitspeedsitup.Ifeellikeexercisingisgoodforyourheartbecauseit keepsitworkingWestartedourphysioassignmentonthe15thofjuneanditalsoendedonthe3rdofjulyThe firstobservationImadewasthatfor15secondsmyheartbeat14timeswhenresting.Myheartbeatafterrunning thecoursewasbeatingatarateof24for15seconds.Thefollowingdaymyrestingheartbeatwas14beatsfor15 secondsandmyheartafterrunningwasat30
TheHeartAdaptationPaper
functioningandoverallhealth.Theheartisanorganthatismostlycomposedofmuscle,andjustlikealltheother musclesinyourbody,itneedstobeworkedinordertomaximizeitsefficiencyTheheartisdesignedtopump bloodthroughoutthebody,theweakertheheart,thefasterithastopumptocompensatefortheamountofwork neededtodistributethebloodTherehavebeenstudiesthathighlighttheadaptationsthatoccurwithintheathlete's heart;cavityenlargementaswellaswall...
HeartFailureDefinition
Symptomsofheartfailurearedividedintotwopartswhichareleftandrightsidedoftheheart.Heartfailuremay happenduetothe"pooling"offluidinthelungs,abdominalarea,legsorfeet;itcanalsobecausedbydecreased bloodflowtothebody.Theleft-sidedfailureoftheheartcausesbloodtobackuporbecongestedtothelungs, causingrespiratorysymptomssuchas:shortnessofbreathallthetimeespeciallyduringthenightwhilesleeping, frequentdrycoughandmanymore.Leftside...
CongenitalHeartDisease
basicallydescribesconditionsthatrequireimmediatemedicalattentionandcanendupbeingfatalwithout immediateaction.Congenitalheartdiseaseinnewbornsisaverycommonbirthdefectandeffectsroughly1in100 or1%ofthebabiesbornintheUnitedStatesSomeoftheheartdefectsthatareapartofcongenitalheartdefects include,hypoplasticleftheartsyndrome(HLHS),pulmonaryatresia(PA),TetralogyofFallot(TOF),Total anomalouspulmonaryvenousreturn(TAPV/TAPVR),tricuspidatresia
