Administer pain or anxiety medication if indicatedĪn apnea alarm in mechanical ventilation is triggered whenever the total frequency decreases below a preset low frequency limit.The following can be used correct problems associated with a high frequency alarm: It may also be a sign that the patient is in respiratory distress, which means that the cause must be identified and corrected as soon as possible. The sounding of this alarm can occur when auto-triggering is present due to an incorrect sensitivity setting. This alarm is useful in helping prevent tachypnea and hyperventilation. High Frequency AlarmĪ high frequency alarm in mechanical ventilation is triggered whenever the total frequency exceeds a preset high frequency limit. If a leak or disconnection occurs, the respiratory therapist must ensure that the patient is being ventilated and provide manual breaths if necessary until the source is identified and corrected. TroubleshootingĬorrecting problems associated with a low volume alarm is similar to those for a low pressure alarm. This alarm is useful in ensuring that a patient is receiving and exhaling a minimum tidal volume. Low Volume AlarmĪ low volume alarm in mechanical ventilation is triggered whenever the expiratory volume decreases below a preset low volume threshold. If the cause of the alarm is unknown, the patient should be manually ventilated until the source of the leak is identified. If this alarm is triggered, the respiratory therapist must promptly ensure that the patient is being ventilated. Adjust the ventilator settings as needed.Ensure that the endotracheal tube cuff is adequately inflated.Ensure that the endotracheal tube is properly located.Check for a leak in the exhalation valve.Check for a leak or disconnection in the circuit.The following can be used correct problems associated with a low pressure alarm: The preset low pressure level for this alarm is typically set around 5-10 cmH2O below the PIP. This most commonly occurs whenever there is a leak or disconnection in the system.
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