The Modified early warning score (MEWS) is a simple guide used by hospital nursing & medical staff as well as emergency medical services to quickly determine the degree of illness of a patient. It is based on data derived from four physiological readings (systolic blood pressure, heart rate, respiratory rate, body temperature) and one observation (level of consciousness, AVPU). The resulting observations are compared to a normal range to generate a single composite score as follows:
A score of five or more is statistically linked to increased likelihood of death or admission to an intensive care unit.
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