sinoventricular conduction

si·no·ven·tric·u·lar con·duc·tion

a rare form of conduction of the sinus impulse during paralysis of the atrial muscle by hyperkalemia. The impulse leaves the sinus node and enters the internodal tracts rapidly achieving the junctional tissues but without inscribing a P wave due to the inactivation of the atrial muscle cells.
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