Internal Medicine

Modified Early Warning Score (MEWS)

Identifies hospitalized patients at risk for clinical deterioration.

Parameters

breaths/min
bpm
mmHg
°C

Modified Early Warning Score (MEWS) Result

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FormulaSum of points from Respiratory Rate, Heart Rate, Systolic BP, Temperature, and AVPU status.

Clinical Pearls

Widely implemented in hospitals globally as an early track-and-trigger system to rescue deteriorating patients before cardiac arrest occurs.

Limitations

Less validated in highly specialized populations (e.g., pediatrics, obstetrics). Replaced in some UK systems by NEWS or NEWS2.