MSRA-0545

A 50-year-old female comes to the doctor’s office complaining of progressive paraesthesia in her fingers, toes, and peri-oral area for the past two weeks. She also experiences muscle cramps and spasms. The patient had a thyroidectomy for Graves’ disease recently but has no other health issues or drug allergies. What can be expected from this patient’s ECG results, considering the probable diagnosis?