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).

The National Weather Service officially ranked the tornado Sunday, April 15 as an EF2. It maintained that strength, as it crossed 30 miles into Greensboro and then Rockingham County. While we've ...

Spatial intelligence is the ability to create, remember, recall, and transform visual images, no matter what angle of rotation you see it in. This form of intelligence was born out of Howard Gardner’s ...