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).

AliveCor, the global leader in AI-powered cardiology, today announced it has received U.S. Food and Drug Administration (FDA) clearance for the next generation of KAI 12L--the AI powering the Kardia ...

The newly cleared features include three rhythm modifiers and two axis-related morphology determinations: RAD and LAD.

AliveCor announced today that it received FDA clearance for the next generation of its AI technology for the Kardia 12L ECG ...

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 ...

This patient had severe mitral stenosis from rheumatic mitral valve disease causing massive left atrial enlargement. Note the morphology of the PVC in lead V1. The R is greater than the R' in a right ...