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MechVent 1 Quiz

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1. How will Cstat and Cdyn change under ↑ Raw and stiffness?




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2. Describe how ↑ the TI can improve blood oxygenation.




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3. What FIO2 limit is considered dangerous in regards to possible O2 toxicity?




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4. A/C mode, 600 Vt w/ a rate of 12, w/o spont.efforts: 7.25/CO2 55/HCO3 23/PaO2 80/ at an FIO2 .35




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5. Describe mean airway pressure,




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6. What ventilator changes could be made to correct a respiratory alkalosis?




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7. High Pressure Alarm Setting?




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8. Describe dynamic compliance?




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9. Describe static compliance?




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10. Why would PSV be added to this mode?




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11.  barotraumas, ↓ venous return, Qt and renal blood flow, ↑ WOB, PVR, ICP, deadspace, mean airway pressure.




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12. think barotrauma; only let go of maintaining CO2 for the sake of the lungs.




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13.  alveoli recruitment by allowing positive pressure at the end of expiration before inhalation restoring a person’s FRC.




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14.  Respiratory Alkalosis w/ normal oxygenation; Decrease VE (Vt or RR) or sedate w/ propaphal




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15.  ↓ FIO2 and/or I-Time




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16.  Volume stays and pressure changes.




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17.  end of inhalation (i.e. machine stops at end of inhalation)




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18.  Spontaneous breathing trial, off vent w/ T-Piece/CPAP (both spontaneous), SIMV (decrease to 2), PSV (basically CPAP)




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19.  35




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20.  10-15 below set Vt





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