Branch to atrioventricular node
The atrioventricular branches or the nodal branches, the small arteries supplying the atrioventricular node; they usually arise from the right coronary artery where it starts to descend the posterior interventricular sulcus.
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During a complete bundle branch block, many ectopic pacemakers in the ventricles may take over the action of the SA node. The EKG may show which of the following? A. Artial ... aorta relaxes C. The semi lunar valaves open D. The atrioventricular valves open
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