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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Escala analógica visual

Visual analog scale (VIH-zhoo-ul A-nuh-log skayl)
A tool used to help a person rate the intensity of certain sensations and feelings, such as pain. The visual analog scale for pain is a straight line with one end meaning no pain and the other end meaning the worst pain imaginable. A patient marks a point on the line that matches the amount of pain he or she feels. It may be used to help choose the right dose of pain medicine. Also called VAS.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.