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The patient’s arm is first placed in a supinated position (a). Next, the wrist is slightly hyperextended, supported with a roll behind the wrist and secured with tape across the palm of the hand to the arm-board. Access is obtained using micropuncture needle and wire (b). Needle is removed and the 6-French introducer sheath is advanced over the wire (c). This is followed by infusion of the anti-spasm/occlusion cocktail.
