Fatigue and dizziness during steroid perfusion.

We describe a patient with multiple sclerosis (MS) in whom the diagnosis of Brugada syndrome was made during administration of steroids. ### Case report. A 44-year-old man with secondary progressive MS was receiving his monthly pulse of IV methylprednisolone when he had fatigue and dizziness. On interview and physical examination, there was no chest pain, dyspnea, palpitation, or fever. Blood pressure was 112/60 mmHg, and heart rate was 85 per minute. Serum potassium was 4.04 mmol/L. His medication history included 25 mg amitriptyline daily for several years. He reported no family history of sudden death or personal history of syncope. EKG performed immediately after the onset of discomfort showed type …