Cardiac Arrhythmias: Difference between revisions

Cardiac Arrhythmias (view source)

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 ===Sinus node===
-The sinus node is an densely innervated area located in the right atrium which is supplied by the right (55%-60%) or circumflex (40%-45%) coronary artery. It is a small structure of 10-20mm long and 2-3mm wide and contains a diversity of cells. These include pacemaker cells which are discharged synchronously due to mutual entrainment. This results in an activation wave front activating the rest of the atrium.
+The sinus node is a densely innervated area located in the right atrium which is supplied by the right (55%-60%) or circumflex (40%-45%) coronary artery. It is a small structure of 10-20mm long and 2-3mm wide and contains a diversity of cells. These include pacemaker cells which are discharged synchronously due to mutual entrainment. This results in an activation wave front activating the rest of the atrium.
 ===Atrium===