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Concept
Vital signs
Summary
Vital signs (also known as vitals) are a group of the four to six most crucial medical signs that indicate the status of the body's vital (life-sustaining) functions. These measurements are taken to help assess the general physical health of a person, give clues to possible diseases, and show progress toward recovery. The normal ranges for a person's vital signs vary with age, weight, sex, and overall health.
There are four primary vital signs: body temperature, blood pressure, pulse (heart rate), and breathing rate (respiratory rate), often notated as BT, BP, HR, and RR. However, depending on the clinical setting, the vital signs may include other measurements called the "fifth vital sign" or "sixth vital sign". Vital signs are recorded using the LOINC internationally accepted standard coding system.
Early warning scores have been proposed that combine the individual values of vital signs into a single score. This was done in recognition that deteriorating vital signs often precede cardiac arrest and/or admission to the intensive care unit. Used appropriately, a rapid response team can assess and treat a deteriorating patient and prevent adverse outcomes.
There are four primary vital signs which are standard in most medical settings:
Body temperature
Heart rate or Pulse
Respiratory rate
Blood pressure
The equipment needed is a thermometer, a sphygmomanometer, and a watch. Although a pulse can be taken by hand, a stethoscope may be required for a patient with a very weak pulse.
Temperature recording gives an indication of core body temperature which is normally tightly controlled (thermoregulation) as it affects the rate of chemical reactions. Body temperature is maintained through a balance of the heat produced by the body and the heat lost from the body.
Temperature can be recorded in order to establish a baseline for the individual's normal body temperature for the site and measuring conditions.
Temperature can be measured from the mouth, rectum, axilla (armpit), ear, or skin.
Official source
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