Photo de stock - Electrical activity of the heart. Sinus node at the top of the right atrium, in green, auriculoventricular node between the right atrium and the right ventricle, in yellow, trunk of the bundle of HIS between the atria and the ventricles, in red, branches of the bundle of HIS Purkinje fibers, in blue. See image 2012807 for the captionned drawing. This image is part of a series concerning anatomy, pathologies and cardiac treatments. See images 2014007 for anatomy, 2012707 et 2012807 for cardiac conduction, 2013007 _ 2013107 _ 2013507 _ 2013607 for cardiac revolution, 2014807 for fibrillation, 2014907 for the atrioventricular block, 2015007 for the flutter, 2015107 for angina and infarction, 2014207 for the defibrillator, 2016107 for the aortocoronary bypass, 2012607 or ablation by radiofrequency.