Vital signs are vital = alive, signs = symptoms, i.e.human beingThe vital signs are the most basic signs that indicate that a person is alive. Vital signs generally refer to body temperature, pulse, respiration, and blood pressure. In recent years, however, the term "vital signs" has been broadened to include all vital signs of a living body, such as level of consciousness, heartbeat, bowel peristalsis, and oxygen saturation.
Vital signs can change depending on many factors, including environmental factors such as temperature, physical exercise, and the effects of disease. Observing vital signs is,(a) patienthealth and general condition of the patient, and to understand the physical and psychologicalstressAlong with status, they are indicators to determine response to treatment and nursing care. It is also important for nursing professionals to measure and continuously monitor vital signs,Physical AssessmentIt is regarded as an important expertise of the
Nursing professionals, both in hospitals and at home, must accurately measure vital signs using simple measuring tools such as stethoscopes, thermometers, and blood pressure monitors, and combine this with physical assessment techniques such as interviewing, visual inspection, and palpation.(a) patientstatus. Based on the results of those measurements(a) patientThe physical condition of theassessmentand perform the following,nursingThe company is making a decision on the need for

References
(1) Patricia A. Potter, Anne Griffin Perry (Author)/Toshiko Ibe (Supervisor): The Basics of Nursing Masterworks Series Potter & Perry: Essential Knowledge and Skills for Practice, p.284, Elsevier Japan, 2007.
2) Hinohara S., Abe M., Okayasu D., et al. (Eds.): Vital signs - How to understand them and apply them to care, p.1, Igaku Shoin, 1980.
3) Tanaka, Y. (ed.): Evidence-based Vital Signs, Gakushu Kenkyusha, 2006.