Introduction Rapidly rotating shiftwork schedule, is common in hospital nurses as it provides continuity to the patients’ care. It has been suggested that shift rotation in clockwise (CW) direction ...

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).

Forbes contributors publish independent expert analyses and insights. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. As bizarre as Venus appears today --- a hellish ...

Introduction: Clockwise and counterclockwise rotations of QRS transition zone in horizontal plane are long recognized electrocardiogram (ECG) findings, but data on their prognostic values are sparse.

A few studies have recently reported clockwise and counterclockwise rotations of QRS transition zone as predictors of mortality. However, their prospective correlates and associations with individual ...