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RTT 214 - Ch. 16 Quiz

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1. what does CVP also represent?




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2. what can accidental opening of the central venous line stopcock allow and result in?




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3. what is the most common complication associated with use of the catheter over time? what is a less common complication?




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4. what is normal PA systolic pressure?




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5. what is a disadvantage of the subclavian vein approach?




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6. what is not normal and is an indication for obtaining a CXR to assess the cause?




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7. how many arterial catheter sizes are in common use and what is selection determined by?




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8. PA maintains pressure throughout the cardiac cycle so that the basline pressure usually increases to ___-___ mmHg over RV diastolic pressures.




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9. what do CVP waveforms reflect? what is it equivalent too?




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10. when is CVP ideally read and why?




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11. tricuspid regurgitation (exaggerated v waves and elevated CVP measurement)




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12. fluid overload, R/L heart failure, pulmonary HTN, tricuspid valve stenosis, pulm embolism, increased venous return




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13. <90/60 mmHg




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14. monitor; stable site for blood withdrawal




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15. pts in need of meds that affect BP (vasodilators/inotropic agents)




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16. low blood vol (bleeding), cardiac failure/shock (heart attack), vasodilation (sepsis)




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17. catheter migration




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18. just medial to the femoral artery in the groin




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19. PAP w/ balloon deflated but reflects alveolar pressure when it is wedged




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20. d: vol of blood from RV decreases, decreased PVR; i: pulm blood flow increases, PVR increases





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