A client with acute pancreatitis has received 5 liters of IV…

A client with acute pancreatitis has received 5 liters of IV lactated Ringer’s over the past 24 hours. The nurse notes the following: BP: 104/68 mmHg HR: 122 bpm RR: 26/min SpO₂: 92% on 3 L/min via nasal cannula New bilateral crackles in the lower lobes Jugular venous distention Increasing anxiety and restlessness Which action should the nurse take first?