Can an ECG Detect a Heart Attack? Understanding What Your Results Really Show: By Ishita Gupta An electrocardiogram, or ECG, is the primary tool used to monitor the heart's electrical activity.
Dear Doctors: I wound up in the emergency room with a heart arrhythmia. It kept beating too fast, too slow and skipping beats, one after the other nonstop. They did an EKG but said it looked normal.