Learn the lab testing skills you need to know! Laboratory and Diagnostic Testing in Ambulatory Care: A Guide for Health Care Professionals, 3rd Edition provides in-depth coverage of the most common procedures and techniques of all the new CLIA waived, point-of-care tests along with some moderately complex tests. Clear, step-by-step instructions and full-color photographs make it easy to perform each test and procedure. To reflect the expanding roles of medical assistants and medical lab technicians, this edition adds a new chapter on electrocardiography and spirometry. Written by noted medical assisting educator Marti Garrels, this guide also includes an Evolve companion website with videos, structured lab notes, and activities for extra practice with clinical laboratory skills.