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).
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Scientists accidentally discover an inherent human tendency for counterclockwise movement
When humans walk freely in open or enclosed spaces, they naturally tend to veer in a counterclockwise direction. This individual bias provides evidence that intrinsic personal tendencies shape how ...
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