A 68-year-old patient with a history of heart failure and at…
A 68-year-old patient with a history of heart failure and atrial fibrillation is scheduled to receive metoprolol 50 mg PO at 0900. Current assessment findings at 0845: Heart rate: 52 bpm Blood pressure: 88/54 mmHg Respiratory rate: 18/min Oxygen saturation: 95% on room air Telemetry shows sinus bradycardia with first-degree AV block The patient reports dizziness and lightheadedness when sitting up Which action should the nurse take first?