A patient in severe acute lung injury (ALI) is currently on the following ventilator settings: Mode – AC/VC Total Rate – 20 breaths/min Rate –  20 breaths/min Exhaled VT – 340 ml VT – 350 ml VE – 6.8 L/min PEEP – 15 cm H2O PIP – 45 cm H2O FIO2 – 0.80 Plateau – 40 cm H2O The patient’s physician wants to place the patient on APRV. What P-High should be started on the new mode?

During mechanical ventilation, which classification causes a breath to end? 

A  5 feet 5 inch male patient needs ventilatory support after intubation? What set tidal volume should  be initiated on AC volume control ventilation?

Increase in Inspiratory time Improves oxygenation by:

Which of the following are indications for ventilator discontinuance:       I.      Disease is resolved      II.      Spontaneous VT 5ml/kg      III.      VE  >10 L/min      IV.      NIF of -28

Which of the following is agent is used for this cardiac arrhythmia with a faint pulse?   

Based on the end-tidal CO2 waveform, C-D represent?

The patient is on the following ventilator setting and parameters:   Mode – AC/PCV PIP – 22 cm H2O Rate – 14 breaths/min Total rate – 20 breaths/min Pressure – 22 cm H2O VE – 8 L/min PEEP – 5 cm H2O FIO2 – 0.60   What kind of pressure control is driving this mode?

A patient is in the ICU intubated due to metabolic acidosis and respiratory muscle fatigue: pH – 6.98 WBC – 9,500 PaCO2 – 30 torr Hct – 42% PaO2 – 98 torr  Hb – 14 g/dl HCO3 – 10 mEq/L Plt – 250 SaO2 – 97% Glucose – 850 g/dl Which of the following would you recommend based on these results?

A patient on vent support has the following data: Mode – AC/PRVC pH – 7.35 Rate – 12 breaths/min PaCO2 – 50 torr VT – 550 ml PaO2 – 250 torr PEEP – 10 cm H2O HCO3 – 25 mE/L FIO2 – 0.80 BE – 0 What should be done now?