Curves of spatial magnitude, orientation, and velocity of the QRS complex were obtained by digital computation from 252 normal and 328 abnormal orthogonal electrocardiograms (Frank system). An attempt ...

As a whole, cocaine-associated electrocardiographic abnormalities are well described in the literature (primarily in the form of observational studies, small controlled studies and case reports).

Fourteen studies and two case series were found describing ST-segment abnormalities and/or significant Q-waves in association with cocaine use. Not surprisingly, this literature overlaps ...

These junctional cells normally have a rate of 40 to 60 bpm. A faster than normal rate originating here is known as junctional tachycardia. This is a type of narrow complex tachycardia, with a narrow ...

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Qatar Sports For All Federation, in partnership with Z Adventures, proudly presents the QRS Fall Edition 2024. This exciting four-race series takes place at the iconic venues of four FIFA World Cup ...