Fig. 23-8 The conducting system, showing the positions of the sinu-atrial and atrioventricular nodes. The atrium and right ventricle are opened, and the interventricular septum is exposed.
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Fig. 23-8 The conducting system, showing the positions of the sinu-atrial and atrioventricular nodes. The atrium and right ventricle are opened, and the interventricular septum is exposed.