Cough Reflex Test (CRT) Practice Exam 2025 - Free CRT Practice Questions and Study Guide

Before applying a cap to a patient’s fenestrated tracheostomy tube, it is essential to remove the inner cannula and deflate the cuff. This is crucial for several reasons.

First, removing the inner cannula clears the airway, allowing for better airflow and preventing any potential obstruction from mucus or secretions that could accumulate in the tube. If the inner cannula were to stay in place, it could restrict airflow and compromise the effectiveness of the cap.

Second, deflating the cuff is necessary because a cuffed tracheostomy tube is designed to seal off the airway when inflated, which could prevent proper ventilation if a cap is applied. The cap creates a closed system, and if the cuff were inflated, it would obstruct airflow, making it impossible for the patient to breathe adequately.

Together, these actions ensure that the patient can breathe comfortably and access the benefits of the fenestration, which allows for airflow through the upper airway and facilitates speaking and coughing. Therefore, preparing the tube in this manner is critical for patient safety and respiratory function.