My ECG Is Normal, So My Heart Must Be Fine”-Then Why Do I Still Have Chest Pain?

It is a scene played out in clinics every day: A patient arrives with a worrying tightness in their chest. They are anxious, perhaps sweating, and fearing the worst. The doctor orders an Electrocardiogram (ECG). Ten minutes later, the results are in. The doctor looks at the squiggly lines and says, “Your ECG is normal.” […]