Present participle of extravasate; currently leaking or flowing from a vessel into surrounding tissue.
From 'extravasate' + '-ing' (present participle suffix), describing the ongoing action of fluid escaping from its proper vessel.
In a bleeding emergency, doctors monitor whether blood is still 'extravasating' (actively leaking) or if it's stopped—this determines whether they can observe the patient or must operate immediately.
Complete word intelligence in one call. Free tier — 50 lookups/day.