Ventilator Troubleshooting PracticeOnline version Ventilator management quiz for review. by RRTDAILY ACADEMY 1 A patient’s high-pressure alarm is sounding. Breath sounds are absent on the right side. What is the most likely cause? a A) Right mainstem intubation b C) Secretions in airway c B) Pneumothorax d D) Leak in circuit 2 The low-pressure alarm is sounding on a ventilator. What should the RT check first? a D) Oxygen analyzer b C) Flow rate c A) Patient effort d B) Circuit connection 3 The patient’s PaCO2 is 60 mmHg while on AC/VC ventilation. What is the best initial adjustment? a B) Decrease tidal volume b A) Increase rate c D) Increase PEEP d C) Increase FiO2 4 A patient on pressure control ventilation shows decreasing tidal volumes over time. What’s the most likely cause? a A) Decreasing compliance b B) Increasing compliance c C) Circuit leak d D) Auto-PEEP 5 The patient’s SpO2 is 85% on 100% FiO2 and PEEP of 5. What should you do next? a C) Increase tidal volume b D) Switch to SIMV c A) Increase PEEP d B) Increase rate 6 The high-pressure alarm activates and exhaled volumes drop. You hear coarse crackles. What’s the likely cause? a D) Cuff leak b C) Circuit disconnection c A) Secretions in airway d B) Pneumothorax 7 Plateau pressure is 35 cmH2O and PEEP is 10. What action should be taken? a C) Increase PEEP b A) Decrease tidal volume c B) Increase FiO2 d D) Increase rate 8 The patient’s PaO2 is 55 mmHg on FiO2 0.60. What change is most appropriate? a B) Increase PEEP b D) Increase rate c C) Increase tidal volume d A) Increase FiO2 to 0.80 9 The ventilator displays auto-PEEP. What’s the best corrective action? a D) Add dead space b C) Decrease flow c A) Increase expiratory time d B) Increase inspiratory time
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