For Sabrina Chow, working in cardiac electrophysiology is like solving a puzzle—one that requires precision, patience, and a deep understanding of the heart. As a cardiac electrophysiology technologist at St. Paul’s Hospital, she specializes in electrophysiology (EP) procedures and pacemakers, a rare and highly specialized skill set. “A lot of times, when a patient comes with an arrhythmia, we don’t...