NR 340

NR 340 Exam 2 Study GuideCritical CareExam 2 Study Guide-Critical Care Basic Dysrhythmia Interpretation & Mgmt-Ch 7 Blood Flow Review Basic Electrophysiology  Automaticity-The ability for the heart muscle to generate it's own electrical activity o Pacemaker Cells arise naturally from the SA Node o Electrolytes involved are K+, Na+, & Ca+ Cardiac Action Potentials  Depolarization-occurs when charge is more (+) o P wave=atrial depolarization o QRS complex=ventricular depolarizati...