Prepotential Phase

Action Potential Phases SA Node Potential San Action Potential Muscle Depolarization SA Nodal Action Potential Excitability Heart Cardiac Cell Depolarization SA Node Action Potential Graph Sinoatrial Node Action Potential Hyperpolarization Action Potential Diastolic Depolarization Plateau Phase in Action Potential Action Potential Sodium-Potassium Pacemaker Action Potential Phases Phases of Action Potential Diagram Autorhythmicity Membrane Potential Vs. Time Graph Action Potential in Pacemaker Cells SA Node Phase 4 Depolarization Three Phases of an Action Potential Refractory Period Cardiac Myocyte Action Potential Curve Absolute Refractory Period EKG Amplitude Phase 3 Cardiac Action Potential Spontaneous Depolarization Atrioventricular Node Action Potential Relative Refractory Period Cardiac Conduction System Sinus Action Potential Depolarization Drug Non-Pacemaker Cells