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Use ultrasonography for localization. Ultrasonography is considered an adjunct modality for arterial or venous access to avoid unnecessary fluoroscopy projection and wire navigation. Whether it is used to perform a direct puncture into a venous malformation or to gain femoral artery or venous access, ultrasonography can be an invaluable tool to achieve an accurate puncture and localization without radiation. CFA, common femoral artery; CFV, common femoral vein.
