RT Book, Section A1 Mantri, Nikhitha A1 Saad, Muhammad A1 Vittorio, Timothy J. A2 Saad, Muhammad A2 Bhandari, Manoj A2 Vittorio, Timothy J. SR Print(0) ID 1166696780 T1 10 Real Cases on Syncope and Dizziness: Diagnosis, Management, and Follow-Up T2 Patient Management in the Telemetry/Cardiac Step-Down Unit: A Case-Based Approach YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9781260456998 LK accessmedicine.mhmedical.com/content.aspx?aid=1166696780 RD 2024/10/13 AB A 64-year-old man was brought to the emergency department after an episode of dizziness followed by complete loss of consciousness. According to the patient’s daughter, he was resting at home when these symptoms occurred. He regained consciousness within 1 minute without any residual symptoms. There was no history of seizure activity, weakness, or numbness. He denied blurred vision, chest discomfort, and palpitation. His medical comorbidities were uncontrolled hypertension and chronic kidney disease. The medical regimen included metoprolol succinate, lisinopril, spironolactone, and furosemide. There was no significant family history noted. Upon arrival, vital signs were blood pressure of 123/75 mm Hg, heart rate of 37 bpm, respiratory rate of 16 breaths/min, and oxygenation of 95% on room air. The physical examination was notable for sinus bradycardia but otherwise unremarkable. The 12-lead ECG is shown in Figure 3.1.1. The laboratory data revealed potassium of 7.8 mEq/L and creatinine of 2.5 mg/dL. Imaging of the chest and head was negative. How would you manage this case?