A mechanically ventilated patient suddenly has a low-pressure alarm, and the oxygen saturation begins to fall. Which action should the nurse take first?
Correct answer: A. Inspect the circuit for disconnection
- A. Inspect the circuit for disconnection
- B. Increase the prescribed tidal volume
- C. Administer a sedative medicine
- D. Suction the airway for secretions
Explanation
A low-pressure alarm commonly indicates disconnection, a leak or a cuff problem, so the circuit should be checked immediately. Increasing tidal volume does not correct a disconnected circuit and may delay restoration of ventilation.
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About Critical Care and Emergency Nursing
Covers rapid assessment and stabilisation of patients with airway obstruction, respiratory failure, shock, cardiac arrest, sepsis, poisoning and major electrolyte disturbances. It includes triage, the ABCDE approach, cardiopulmonary resuscitation, ventilator and monitor care, emergency medicines and distinguishing life-threatening deterioration from stable illness.
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