Relier Pairs CVS Heart: Cells & ECGVersion en ligne Pacemaker, Contractile cells & ECG par Dr MAHABOOB KHAN SULAIMAN 1 Ventricular repolarization 2 Plateau phase 3 Pacemaker Cells 4 Funny current 5 Atrial depolarization 6 Auto-rhythmic 7 Non auto-rhythmic cells with long refractory period 8 Ventricular depolarization 9 Contractile cells Contractile cells characteristic of contractile cells, slow Ca channels open QRS wave T wave 99% cells with true resting potential 1% of cells with no true resting potential Pacemaker cells called pacemaker potential, Ca 'T' type channels open P wave