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When there is a double path in the atrioventricular nodal, that is, the fast path and the slow path, it is the electrophysiological mechanism of atrioventricular nodal reentrant tachycardia.
Paroxysmal atrioventricular nodal reentrant tachycardia is usually a narrow QRS complex tachycardia with rapid and regular ventricular rate.
Nodes, branches, circuit elements show electrical connections, aiding nodal analysis understanding.
Quick release nodal slide rail for panoramic shooting isolated on white background. Panoramic shooting equipment
d atomic orbital nodes (angular nodes or nodal planes)

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