- Go to slide 1 out of 7
- Go to slide 2 out of 7
- Go to slide 3 out of 7
- Go to slide 4 out of 7
- Go to slide 5 out of 7
- Go to slide 6 out of 7
- Go to slide 7 out of 7

Overview
First, move the marker to the bottom of the numbered scale.
Review Date 2/24/2022
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.