The nurse is caring for a client receiving mechanical ventilation. The nurse hears the low-pressure alarm sound. After checking the client and ventilator, the nurse cannot determine the source of the alarm. What should the nurse do next?
Notify the health care provider
Insert an oral airway to prevent the client from biting the tube
Suction the client and reset the alarm
Disconnect the client from the ventilator and use a manual resuscitation bag
The Correct Answer is D
A. Notify the healthcare provider: While notifying the healthcare provider may eventually be necessary, the first priority is to ensure the client's airway is protected and they are receiving adequate ventilation. The provider can be notified after immediate interventions have been made to stabilize the patient.
B. Insert an oral airway to prevent the client from biting the tube: Inserting an oral airway may be necessary if the client is biting the endotracheal tube, but this is unlikely the first action needed in response to a low-pressure alarm. If the client is not biting the tube, this action will not address the potential causes of the low-pressure alarm, such as a disconnection, leak, or circuit issue.
C. Suction the client and reset the alarm: While suctioning is an important intervention if secretions are the cause of ventilation issues, it is not the first action when the source of the low-pressure alarm is unclear. If a disconnection or leak is the issue, suctioning will not resolve the problem, and the nurse risks delaying appropriate action to address the source of the alarm. The priority is ensuring the client’s ventilation is not compromised, which is best accomplished by using a manual resuscitation bag until the problem is identified and corrected.
D. Disconnect the client from the ventilator and use a manual resuscitation bag: If the source of the low-pressure alarm cannot be identified after checking the client and the ventilator, the first priority is to ensure that the client continues to receive adequate ventilation. Disconnecting the client from the ventilator and using a manual resuscitation bag (Ambu bag) allows for immediate support of the patient's ventilation while the nurse investigates the cause of the alarm. This ensures the client's oxygenation and ventilation needs are met until the problem is resolved. It is critical to address any potential loss of positive pressure or leaks in the ventilator system promptly to avoid respiratory distress or failure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Call for the rapid response team and request a portable chest x-ray: While it is important to call for help and obtain imaging if needed, the immediate action is to address the potential pneumothorax by sealing the wound. The rapid response team and chest x-ray are necessary for further assessment, but securing the wound is the priority in the moment.
B. Turn the suction drainage system off and auscultate breath sounds: Turning off the suction drainage system and auscultating breath sounds may be part of subsequent assessment and care, but these actions are secondary to stopping the entry of air into the pleural space. Auscultating breath sounds would be important after the chest tube is secured to assess for signs of pneumothorax or other complications, but it is not the first priority.
C. Apply a sterile dressing and tape on three sides: The first priority when a chest tube becomes accidentally dislodged is to seal the wound to prevent air from entering the pleural space, which could cause a pneumothorax (collapsed lung). The correct method to seal the chest tube insertion site is to apply a sterile dressing and tape it on three sides. This technique allows air to escape from the pleural space but prevents air from entering, creating a temporary "one-way valve" effect. This is crucial in stabilizing the patient until further medical intervention can be provided. The fourth side of the dressing is left open to allow for air to escape, which helps prevent a tension pneumothorax
D. Notify the healthcare provider immediately: While notifying the healthcare provider is important, securing the wound to prevent further air entry is the immediate priority. Notifying the provider can occur after the dressing is applied. Prompt action to stabilize the chest tube site is crucial to prevent further respiratory distress or complications.
Correct Answer is D
Explanation
A) Fluid bolus and IV heparin:
A fluid bolus and IV heparin may be used in certain cardiovascular conditions, such as hypotension or in the setting of acute coronary syndrome (ACS) to prevent clot formation. However, in this case, the client is experiencing chest pain with ST segment elevations, a sign of ongoing ischemia, which suggests that the problem may be related to inadequate blood flow to the heart. Fluid boluses could exacerbate the condition if the heart's function is compromised, and IV heparin alone would not address the root cause of the ischemia. Hence, this is not the most appropriate intervention at this time.
B) A medical prescription for a stat chest x-ray:
A chest x-ray would not be immediately indicated in this scenario. The client's symptoms of chest pain, diaphoresis, and ST segment elevations on the ECG are indicative of myocardial ischemia or infarction, not a respiratory or structural lung issue that would be visualized on an x-ray. The priority here is to address the myocardial ischemia, which could be due to a clot or reocclusion in the coronary artery. A stat chest x-ray would not address the underlying cardiac issue, so this is not the best choice.
C) Coronary artery bypass (CABG) surgery if there is no improvement in 12 hours:
While CABG is an option for clients with severe coronary artery disease, it is generally considered when PCI is not successful or when there are multiple blockages that cannot be stented. In this situation, since the client has just undergone PCI and is now experiencing signs of reocclusion (e.g., chest pain, ST segment elevations), a repeat PCI with thrombectomy or angioplasty is more appropriate and urgent. Waiting 12 hours would delay treatment and risk further myocardial damage. CABG would not be the first intervention after a failed PCI within hours of the procedure.
D) Repeat PCI with thrombectomy or angioplasty:
This is the most appropriate intervention. The client's symptoms (chest pain, diaphoresis, and ST segment elevations) are suggestive of reocclusion of the stented artery, a complication that can occur after PCI. Reocclusion can cause further myocardial ischemia and infarction. A repeat PCI with thrombectomy or angioplasty would aim to reopen the blocked artery and restore blood flow to the myocardium, which is the immediate priority in this situation. This intervention can help resolve the ischemia and prevent further damage to the heart muscle.
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