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).
Hypertrophic obstructive cardiomyopathy (HOCM) is a pathologic cardiac condition in which the interventricular septum is abnormally thickened. The classic finding in HOCM is large dagger-like “septal ...
NEW YORK — The international criteria for electrocardiography (ECG) interpretation in athletes perform better than prior iterations in predominantly African American National Basketball Association ...
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 ...