Proposed treatment algorithm. *Individual management instructions. (I) Aspirate extravasation injuries and inject steroid hydrocortisone subcutaneously to the affected area and IV if large-scale inflammation, flare, or fracturing along the vein has occurred. (II) Treatment is then characterised as either (A) spread and dilute (1) using normal saline or hyaluronidase, (2) keep limb warm, (3) use continuous compression and elevation of the limb or (B) localise and neutralise (1) use antidote if available, (2) use intermittent cold compression.
