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).

FARGO — About 98% of all tornadoes spin cyclonically, which in the Northern Hemisphere is counter-clockwise and clockwise in the Southern Hemisphere. This is because tornadoes tend to follow the ...