Intravenous regional anesthesia (IVRA) using older tourniquet equipment. Modern electronic instruments include more safety features specifically for IVRA.
MeSH
D000771
[edit on Wikidata]
Intravenous regional anesthesia (IVRA) or Bier's block anesthesia is an anesthetic technique on the body's extremities where a local anesthetic is injected intravenously and isolated from circulation in a target area. The technique usually involves exsanguination of the target region, which forces blood out of the extremity, followed by the application of pneumatic tourniquets to safely stop blood flow. The anesthetic agent is intravenously introduced into the limb and allowed to diffuse into the surrounding tissue while tourniquets retain the agent within the desired area.[1][2]
^Matt, Corinna (2007). "Intravenous regional anaesthesia". Anaesthesia and Intensive Care Medicine. 8 (4): 137–9. doi:10.1016/j.mpaic.2007.01.015.
^Clark, Natasha (2002). "Intravenous Regional Anaesthesia - Bier's Block". Archived from the original on 31 January 2012. Retrieved 23 September 2011.
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