Spanish Numerical Pain Rating Scale
| 0 Cero | 2 Dos | 4 Quatro | 6 Seis | 8 Ocho | 10 Diez |
 Ningún dolor (no pain) | Mucho dolor (much pain)  | ||||
Characteristics of Acute and Chronic Pain
| Acute Pain | Chronic Pain | |
|---|---|---|
| Onset | Current | Continuous or intermittent |
| Duration | <6 mo | >6 mo |
| ANS response | ↑ HR, RR, BP, muscle tension, diaphoresis, pupillary dilation | Rarely present |
| Relevance to healing | Diminishes as healing occurs | Continues long after healing |
| Analgesics | Responsive | Rarely responsive |