Abnormal Vital Sign Physiology

Abnormal vital signs are strong predictors for intensive care unit admission and in-hospital mortality in adults triaged in the emergency department - a prospective cohort study.

Communication of Vital Signs at Emergency Department Handoff: Opportunities for Improvement.
CONCLUSION: Providers omitted communication of patient hypotension or hypoxia in nearly 1 in 7 ED handoffs. These communication errors do not appear to be related to ED crowding or care interruptions.

Normal vital signs based on age
http://emedicine.medscape.com/article/2172054-overview