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 iA63 is iHome's latest app-enhanced alarm clock FM radio for iPhone and iPod touch - with a twist... literally. The flexible rotating dock lets you control the iPhone normally - or watch videos in ...

Hurricanes and low pressure systems do spin counter-clockwise in the northern hemisphere. Tornadoes usually do, though not always. The behavior of the intense thundershowers that produce tornadoes ...

Hacker News user xnx has recreated 'Against the Run,' a rotating clock face with a fixed second hand at 12 o'clock, near the Welcome Center at the Massachusetts Institute of Technology. From a ...

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise ...

BALTIMORE, Feb. 18 (UPI) -- U.S. astronomers using the Hubble Space Telescope say they've precisely measured, for the first time, the rotation rate of a galaxy. Based on the clock-like movement of its ...