Modified Early warning System for ill or deteriorating patients (MEWS)
Last reviewed 01/2018
MEWS: An Example of a Modified Early warning System for ill or deteriorating patients
| Score | 3 | 2 | 1 | 0 | 1 | 2 | 3 |
| Heart Rate per min. | <= 30 | 31-40 | 41-50 | 51-100 | 101-110 | 111-129 | >=130 |
| Systolic BP mmHg | <70 | 71-80 | 81-100 | 101-179 | 180-200 | >200 | >240 |
| Resp. Rate per min. | <9 | 9-14 | 15-20 | 21-29 | >=30 | ||
| Temperature Centigrade | <35 | 35-38.4 | >= 38.5 | ||||
| CNS response | Alert | Voice | Pain | Unresponsive | |||
| Urine output* ml/kg/hr | Nil | <0.5 | <1.0 | 1.0-1.5 | >1.5 |
- triggers score may be individualised to patients but Scores greater than 5 or any reduction in Oxygen Saturation to less than 95% would trigger a highly skilled emergency assessment and treatment
- * In the last 4 hours
Contributor: Dr Ralph Mitchell BSc (hons) MBChB (June 2011)