An electrocardiogram, commonly called an ECG, is one of the most widely used tools for checking heart health. It records the electrical signals that control your heartbeat and can reveal problems such ...
In a “normal” electrocardiogram (ECG), the transition of the QRS axis in the precordial leads occurs between leads V 3 and V 4 (i.e., there is a dominant S in V 3 and a dominant R in V 4).
Dr. Demilade Adedinsewo and nurse review electrocardiogram (EKG) results on a monitor while the patient is lying down. Group 1: 100 women already scheduled for an echocardiogram (the best test to ...