pone.0261546.g001.tif (1.31 MB)
Cardiovascular response to progressive LBNP.
figure
posted on 2021-12-23, 18:40 authored by Sam D. Hutchings, Jim Watchorn, Rory McDonald, Su Jeffreys, Mark Bates, Sarah Watts, Emrys KirkmanEffects of progressive LBNP (-10, -20 mmHg, then titrated to target SVFPleth, stroke volume measured by finger Plethysmography, of 80, 65–70 and 55–64% baseline SVFPleth, LBNP1-5 respectively) on mean arterial blood pressure (MBP), heart rate (HR), arterial pulse pressure (PP), stroke volume measured by trans-thoracic echo (SVTTE). Data presented as mean±SEM. p values indicated on each panel show probability of differences between groups, and differences in the pattern of changes, being due to chance (ANOVA). Changes over time were statistically significant (p <0.001) for each variable.
History
Usage metrics
Keywords
underwent 2 sessionshaemodynamic monitoring systemsthoracic electrical bioimpedanceexpert clinical opinionteb (- 42demonstrated measurement errorsclinically relevant comparisoncirculating blood volumeerror grid alongsidexlink "> haemorrhageagreement xlink ">measurement errorserror gridtraumatic haemorrhagethoracic echocardiographystroke volumeclinical harmblood pressurepercentage errorunacceptably hightraditional measuressuprasternal dopplersternal dopplersignificant minoritypotentially affectmilitary practiceleading causeeffective managementdynamic changeanalysis impossibleaccurate assessment93 %)91 %).48 %).
