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14+ Cardiac Conduction Diagram

14+ Cardiac Conduction Diagram. Sympathetic stimulation of cardiac β1/β2 receptors by the neurotransmitter norepinehrine and circulating adrenal epinephrine increase cardiac chronotropy, inotropy and dromotropy. The impulses generated here spread through the atria, initiating contraction. File:Conductionsystemoftheheart.png – Wikimedia Commons from upload.wikimedia.org… Continue Reading →