Case Presentation: A 47-year-old male presented with distal extremity and facial weakness. Physical exam and electroencephalogram showed myopathy with myotonic features and a distal predominance, characteristic of myotonic dystrophy type 1. Patient denied any chest pain, shortness of breath, presyncope, syncope, and palpitations. Due to associated risk of cardiac-related complications, a baseline electrocardiogram (ECG) was […]