University:
Camosun College
Course:
NURS132 | Promoting Health and Wellbeing
Academic year:

2023
Views:

166

Pages:

3
Author:

Aysha A.

SvcCardio Vascular SystemR1 Extra'sLIVCwind kessel is an elastic reservoir in germanP.V1wind hessel effect you expands duringchordarlandinablood entering r aorta & comes backBoilonj muchto prety normal at presystolic partthis is ensure continous flow of bloodAort aalso called recoiling effectP.ACapillary -:Aorta]wind kesselaorta & large arteriesvessellot ofsingh layer ISmall arterieselastSVC,IVCendotheliallibres-ArteriolesreinsmetaarteriolesCapillariesvenulesResistanceexchangecapacitancevesselvesselsvesselsmajorcontributionhas lot of to B.P single layered 60% bloodsmooth muscleendothelial allis present inveinsLayers of Blodd vessel-:single layerT. intima ( endokulial)alongwith elastic JioreT media (smoothmuscl)lumenT. adventitial (elastic fibres&g collagonWind kessel - more T.A, lil T.MResistance vessel - T. MExchange vessel- - T.Icapicitance vessel - T.A more, T.M P.SS.A&SympVagus & nodesmainly atriumR.AL.ADorsal motorCervical ganglioA.Vmuching vagusT1- - TSnuclear ambigiousSympR.VL.Vnucliar tracturR.A,R.V, S.A2.symp.nodeL.A, L.VsolitariusA.Y nodVagussupply R.A&L.vagusL.A & bundhS.A nodeof hisEffects1) Chronotropic - heartratiP.Ssymp2) Dronotropic-ve3)conductivity,theimpulsesBathenotropicofheart-vetre-4)excitabilityonotropic-myocardial- me vecontractilitygose- vetheSystemic circulationS.BP= 100-140Pulmonary circulation:saccomere of cardiac muscl20 - 30D.BP = 60-905- 15M.P = 100mmHg15 mmHgIP.P = 20-50 -longySOUID10-15Artory = thick walledthin walled,1narrow lumenlarge lumenArteride= thick walled,thin walled,narrow lumenlarge lamunCapillory = long, narrowshort widetestingSympatutictonedonest Sarcomere of cardiac MuscleToillPericardium10FibrousSerousprovide tensile strength.ParietalVisuralAtrial 2mmPericardial fluid (15ml) is b/w these.Myocardiummore than 15ml is cardiac effusionRv - smmV.V. much is cardiac tampering)LV - 10mmEndocardiumSarcolummabroadallowedofcistimT-tubuleTamyosisyactin2010002 lineSarcomereC.MdebtalproceedingS.MSascomericorganisationless regularRegularreliflocation ofAt 2A+ A-IT tubullineJunctionDtameter ofi-Length- tension Relationship -%Authortotal tensionEnd chastolicPanivePRE-LOAD - = Load before the hearttensioncontracts.TensionAfter LOADLoad against which heartcontractsoptimal lengthHose001OFlengthI2nd to aboutsignaturecolumbia to