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 ...
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