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Table 1 Swiss Stage of Hypothermia

From: Should capnography be used as a guide for choosing a ventilation strategy in circulatory shock caused by severe hypothermia? Observational case-series study

Hypothermia stage Clinical findings Core temperature (if available)
I (mild) Conscious; shivering 35–32 °C
II (moderate) Impaired consciousness; may or may not be shivering <32–28 °C
III (severe) Unconscious; vital signs present <28 °C
IV Vital signs absent Variable