A useful maneuver when intravenous access is difficult.
Kondo
K
K
D000776:Anesthesiology / Q000379:methods*; D006801:Humans; D006979:Hyperthermia, Induced; D007275:Injections, Intravenous / Q000379:methods*; D009339:Needles; D014661:Vasoconstriction / Q000502:physiology