The goal of this clinical trial is to learn if a sacral lift can improve femoral vein size and exposure, which may be clinically helpful during femoral vein cannulation among emergency department patients. The main questions it aims to answer are: Does a sacral lift increase femoral vein size compared to no sacral lift in both straight and frog-leg positions? Does a sacral lift improve femoral vein exposure (reduce overlap by the femoral artery) compared to no sacral lift in both straight and frog-leg positions? Researchers will compare femoral vein size and exposure measurements with and without a sacral lift in both straight and frog-leg leg positions to see if the sacral lift improves vein size and reduces artery overlap. Participants will: Undergo femoral vein ultrasound scans. Maintain a straight leg position with and without a sacral lift. Maintain a frog-leg position with and without a sacral lift.
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Potential effect of a sacral lift on femoral vein cross-sectional area
Timeframe: From enrollment to end of ultrasound measurements, expected to take up to one hour
Dhimitri Nikolla, DO, MS, FACEP, FACOEP