Assessment Tool: MEWS
The Modified Early Warning Score (MEWS) is a bedside clinical deterioration detection tool combining five physiologic parameters into an aggregate score. It is used in acute care settings to identify patients at risk for deterioration before a critical event occurs and to standardise escalation decisions. Score each parameter based on current observed values and calculate the total. An individual parameter score of 3 indicates a critically abnormal value in that domain.
Modified Early Warning Score (MEWS)
A five-parameter point-of-care clinical deterioration detection tool. Each physiologic parameter is assigned a weighted score; the aggregate identifies patients at risk for rapid deterioration. Widely used in acute care settings to trigger escalation before catastrophic events occur.
Escalation thresholds
0–2
Low concern — routine monitoring
3–4
Increase monitoring frequency
≥ 5
Urgent provider notification required
An individual parameter score of 3 indicates a critically abnormal value in that domain.
Result
MEWS: 0
Level: