Arm position matters for vein visibility on ultrasound

NCT ID NCT01647815

First seen Nov 19, 2025 · Last updated Jun 13, 2026 · Updated 36 times

Summary

This study looked at 50 healthy adults to see if changing arm position makes veins in the armpit and collarbone area show up bigger on ultrasound. The goal was to find the best arm position for easier and safer vein access. Results help guide doctors when placing central lines.

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Contacts and locations

Locations

  • CHU de Nîmes - Hôpital Universitaire Carémeau

    Nîmes, 30029, France

Conditions

Explore the condition pages connected to this study.