1. Kupchik, Nicole MN, RN, CCNS, CCRN-CMC, PCCN-K
  2. Green, Joel MSN, RN, CCRN-CMC, CSC


Editor's note: This is the next installment in a series on electrocardiogram (ECG) interpretation. Nurses in all settings should know the basics, as medications and physiological changes can cause cardiac arrhythmias. Each article will start with a brief case scenario and an ECG strip and then take you step by step through analyzing the heart rhythm.