The nurse is caring for a patient in the Intensive Care Unit (ICU) with a ventriculostomy (Intraventricular Catheter) and an intracranial pressure (ICP) reading of 30mmHg. The nurse notes a widened pulse pressure, irregular respirations, and bradycardia. The neurosurgeon instructs the nurse to drain cerebrospinal fluid. The nurse would also anticipate which medication administration order from the provider?