CVICU Test Questions And Answers.SVO2 Normal - Answer >60% Low SVO2 - Answer Inadequate oxygen delivery or increased oxygen consumption
Ex: fever, pain, bleeding, infection
High SVO2 - Answer increase in CO, decrease in oxygen demand, reduction in oxygen extraction
Ex: anesthesia, hypothermia
CVP Normal - Answer 2-6 High CVP - Answer over hydration, cardiac tamponade, heart failure, pulmonary stenosis.Patient needs diuresis, vasodilation, or treatment for tamponade.Low CVP - Answer hypovolemic shock for hemorrhage, fluid shift, dehydration.Patient needs fluid.Normal SVR - Answer 800-1200 High SVR - Answer vasoconstricted
ex: hypothermia, hypovolemia, meds
Low SVR - Answer Meds, sepsis, re-warming, hyperthermia Normal PAP - Answer 25/10
PAP waveform - Answer Pulled back t0o far: ventricular waveform
Pulled in too far: Wedge waveform
Red port on the Swan - Answer balloon for a wedge pressure if ordered Yellow port on the Swan - Answer Measures PAP Can only use this to draw a mixed venous Blue port on the Swan - Answer Measures CVP Can push meds through this White port on the Swan - Answer CO/CI and temperature other white port it for fluids When do you zero the Swan? - Answer q-shift and when you open the system.zero at phlebostatic axis Normal wedge pressure - Answer 8-12
High wedge: LV failure and tamponade
Low wedge: hypovolemia
Phase 1 monitoring - Answer Vitals q 15 min until aldrete >9 ABG 30 min after arrival
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