Critical Care Nursing Study Guide & Practice Questions | ICU Nursing Notes & Exam Prep

CriticalfCarefNursing


WhatfisfHemodynamicfMonitoring?f-
fCORRECTfANSWER✔Measurement foffpressure,fflowfandfoxygenation

fwithinfthefcardiovascular fsystem.




WhatfarefvaluesfthatfarefmeasuredfinfthefICUfwithfHemodynamicfMonitori
ng?f-
fCORRECTfANSWER✔Systemic fandfPulmonaryfarterialfpressures,fcent

ralfvenousfpressuresf(CVP),fpulmonaryfarteryfwedgefpressuref(PAWP),fC
O/CI,fSV/
SVfindexf(SVI)fandfO2fsaturationfoffthefhemoglobinfoffarterialfbloodf(SaO
2)fandfmixedfvenousfoxygenfsaturationf(SvO2).


WhatfisfCardiacfOutput?f-
fCORRECTfANSWER✔Thefvolumefoffbloodfinflitersfpumpedfbyfthefhea

rtfinf1fminute.


WhatfisfthefStrokefVolume?f-
fCORRECTfANSWER✔Thefvolumefejectedfwithfeachfheartbeat.




WhatfdeterminesfBloodfPressure?f-
fCORRECTfANSWER✔COfandfthefforcesfopposingfbloodfflow.




WhatfdeterminesfSV?f-
fCORRECTfANSWER✔Preload,fafterload, fandfcontractility.

, WhatfisfPreload?f-
fCORRECTfANSWER✔Volumefwithinfthefventriclefatfthefendfoffdiastol

e.


WhatfdoesfPAWPfreflect?f-
fCORRECTfANSWER✔Afmeasurementfoffpulmonaryfcapillary fpressure

fthatfreflects fleftfventricular fendfdiastolic fpressurefunderfnormalfconditionsf

(i.e.,fwhenftherefisfnofmitralfvalvefdysfunction,fintracardiacfdefect,forfdysrh
ythmia).


WhatfisfCVP?f-
fCORRECTfANSWER✔Measuredfinfthefrightfatrium, forfinfthefvenafcavaf

closeftofthefheart,fisfthefrightfventricularfpreloadforfrightfventricularfend-
diastolicfpressurefwhenftherefisfnoftricuspidfvalvefdysfunction,fintracardiac
fdefectforfdysrhythmia.




WhatfisfAfterload?f-
fCORRECTfANSWER✔Refersftofthefforcesfopposingfventricular fejectio

n.


WhatfdoesfthefAfterloadfinclude?f-
fCORRECTfANSWER✔Thefsystemic farterialfpressure,fthefresistance foff

eredfbyfthefaorticfvalve,fandfthefmassfandfdensityfoffthefbloodftofbefmoved.


WhatfisfSystemicfVascularfResistance?f-
fCORRECTfANSWER✔Thefresistancefoffthefsystemic fvascularfbed.