Core EM - Emergency Medicine Podcast
Health & Fitness:Medicine
Episode 140.0 Disutility of Orthostatics in volume Loss
Summary: Based on the limited available evidence, it’s unlikely orthostatic vital sign measurement can be used to determine which patients have volume loss and which do not. The baseline prevalence of orthostatic vital signs is common and patients will not always develop orthostatic vital signs in response to volume loss. Therefore, there will both be patients who are orthostatic by numbers without volume loss and there will be patients with volume loss who are not orthostatic by numbers. Symptoms, with the exception of inability to stand to have orthostatics performed, are not useful either.
Bottom Line: Based on the low overall sensitivity of orthostatic vital sign measurements, they should not be used to influence clinical decision making.
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REBEL EM: Orthostatic Hypotension in Volume Depletion
References:
Skinner JE et al. Orthostatic heart rate and blood pressure in adolescents: reference ranges. J Child Neuro 2010; 25(10): 1210-5. PMID: 20197269 Stewart JM. Transient orthostatic hypotension is common in adolescents. J Pediatr 2002; 140: 418-24. PMID:
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