First, move the marker to the bottom of the numbered scale.
Reviewed last on: 5/21/2009
Allen J. Blaivas, DO, Division of Pulmonary and Critical Care, UMDNJ-New Jersey Medical School, Newark, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.