Blood is drawn from veins rather than arteries due to lower pressure risks
the verdict
SUPPORTED
the evidence backs this
confidence 78/100
Blood is preferentially drawn from veins rather than arteries because arterial puncture carries higher risks of bleeding, hematoma, and complications due to high blood pressure.
Evidence for · 3
Efficacy and Safety of the Distal Radial Artery as an Arterial Blood Sampling Site
2025 · cited by 2
Discusses the need for careful hemostasis and associated challenges when accessing arteries compared to lower pressure vessels.
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More for · 2
Efficacy and safety of arterial blood gas analysis via distal radial artery in children
2025 · cited by 0
Notes that arterial procedures can lead to complications like hematoma, requiring longer hemostasis times.
Procedural Complications of Central Venous Catheter Placement in Pediatric Oncology Practice (a Clinical Case Series)
2024 · cited by 0
Lists inadvertent arterial puncture and subsequent bleeding complications as significant risks during vascular access procedures.