The EMT recognizes a late sign of hypoxia when he observes:

Name: The EMT recognizes a late sign of hypoxia when he observes:
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Cyanosis in the fingers is a late sign of hypoxia, indicating that oxygen saturation levels have dropped significantly. Restlessness and agitation are early signs of hypoxia, elevation in blood pressure can occur in response to hypoxia but is not a specific sign, and headache can also be a symptom of various other conditions.

The EMT Recognizes a Late Sign of Hypoxia When He