A helpful book for nurses that thoroughly explains the normal shapes and names of waves in an electrocardiogram (ECG). - Title: Monitor ECG - Author: Hiroaki Sato - Content: Explains the normal shapes and names of waves in an ECG. - Purpose: Useful in nursing practice. - Series: Skill-Up Notes for Nurses Thank you for viewing. I used this book for studying when I was a new nurse, so there are some markings. Please check the photos. For those who understand that this is a used item, thank you!