Visual analog scale

What is Visual analog scale?

Visual analog scale meaning 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.

 

reference: national Cancer Institute – Glossary for Registrars

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