A patient is admitted to the hospital with SOB. The nurse notices increasing confusion and combativeness during the past hour. Which of the following actions is appropriate first?

A. Administer IV morphine.

IV morphine may be indicated to relieve pain and anxiety associated with a pulmonary embolism. However, it is not the priority intervention compared to addressing the client's respiratory distress and hypoxemia with oxygen therapy.

B. Begin oxygen therapy.

The priority intervention for a client who develops a pulmonary embolism is to begin oxygen therapy. Pulmonary embolism (PE) is a life-threatening condition characterized by a blockage in one or more of the pulmonary arteries, usually due to a blood clot. This blockage can lead to impaired gas exchange and decreased oxygenation of the blood, resulting in hypoxemia (low blood oxygen levels) and potentially leading to respiratory failure. Administering oxygen therapy promptly helps to improve oxygenation and support vital organ function. Therefore, it is the priority intervention to address the immediate respiratory distress associated with a pulmonary embolism.

C. Start an IV infusion of lactated Ringer's.

Intravenous fluid administration may be necessary to maintain hemodynamic stability and support perfusion in a client with a pulmonary embolism. However, it is not the priority intervention compared to addressing the client's respiratory distress and hypoxemia with oxygen therapy.

D. Initiate cardiac monitoring.

Cardiac monitoring is important to assess for signs of cardiac compromise or dysrhythmias associated with a pulmonary embolism. However, it is not the priority intervention compared to addressing the client's respiratory distress and hypoxemia with oxygen therapy.

A. Add tap water as needed to the suction control chamber.

This is not the correct action. The suction control chamber of a water-seal chest tube drainage system is typically filled with sterile water to the prescribed level by the healthcare provider during the initial setup. Adding tap water to the suction control chamber can disrupt the balance of the system and affect the prescribed suction level. The nurse should not add tap water without specific instructions from the healthcare provider.

B. Maintain the drainage container below the level of the client's chest.

This is the correct action. In a water-seal chest tube drainage system, it's important to keep the drainage container below the level of the client's chest. This positioning allows gravity to assist in the drainage of air or fluid from the pleural space into the drainage container. It also helps prevent backflow of fluid or air into the chest cavity, ensuring the effectiveness of the drainage system.

C. Empty the collection container every shift.

While it may be necessary to empty the collection container if it becomes full, emptying it every shift is not a set rule. The frequency of emptying the collection container should be based on the volume of drainage and the facility's policy. The nurse should monitor the collection container regularly and empty it when it reaches the appropriate level, typically around half full or as indicated by facility protocol.

D. Clamp the chest tubes if it becomes disconnected.

Clamping the chest tubes if they become disconnected is not recommended. It can lead to tension pneumothorax, a life-threatening condition where air accumulates in the pleural space and compresses the lung. If a chest tube becomes disconnected, the nurse should immediately assess the situation, secure the chest tube connections, and notify the healthcare provider for further management.