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).

Hurricanes spin counterclockwise (like all low pressure centers in the northern hemisphere) because of the Coriolis Effect. Because the equator rotates faster than other areas of the Earth's surface, ...

Answer: The planets of our solar system orbit the Sun in a counterclockwise direction (when viewed from above the Sun’s north pole) because of the way our solar system formed. Our Sun was born from a ...