Are orthostatic vital signs useful in detecting dehydration and hypovolemia in adults?
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Are orthostatic vital signs useful in detecting dehydration and hypovolemia in adults? Evidence-Based Answer: Heart rate is the only orthostatic vital sign (OVS) that correlates with dehydration (change in total free water) for adult patients in the emergency department (ED) (SOR: B, prospective observational study). OVSs vary widely in euvolemic patients, making “normal” values of uncertain utility (SOR: C, observational study). OVSs do not reliably predict modest volume (intravascular) losses (SOR: C, expert opinion).
Evidence-based practice 19, no. 9 (2016): 8-9