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Adult vital signs
Adult vital signs normal ranges
Question | Answer |
---|---|
oral temperature | 34.6 - 37.6 C (97.6 - 99.6 F) |
tympanic temperature (adult normal) | 37.0 - 38.1 C (98.6 - 100.6 F) |
rectal temperature (adult normal) | 37.0 - 38.1 C (98.6 - 110.6 F) |
axillary temperature (adult normal) | 35.9 - 37.0 C (96.6 - 98.6 F) |
heart rate (adult normal) | 60 - 100 bpm (beats per minute) |
respiratory rate (adult normal) | 14 - 20 respirations per minute |
oxygen saturation (adult normal) | more than or equal to 95% |
blood pressure (adult normal) | systolic: 100-129 mm Hg diastolic: 60-80 mm Hg |
temperature measurement | use a thermometer (tympanic, electronic, or chemical) |
heart rate measurement | palpate pulse, count number of pulsations per minute or count number of auscultated heart sounds per minute |
respiratory rate measurement | watch the rise and fall of the chest and count the number of respirations per minute |
oxygen saturation measurement | use pulse or ear pulse oximeter (clip the probe on the fingertip or earlobe) |
blood pressure measurement | use sphygmomanometer (determined through ascultation of Korotkoff sounds as the pulse is deflated, noting when the sounds begin and end) |
rectal temperature measurement advantages | argued to be more reliable when one cannot obtain an oral temperature |
rectal temperature measurement disadvantages | lag during rapid temperature changes not used for patients with diarrhea/rectal surgery/rectal disorders/decreased platelets not used for routine vital signs in newborns may be source of patient embarrassment/anxiety risk of exposure to body fluids |