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Fig. 11B. —45-year-old man with history of central venous line
inadvertently placed in artery. Proximal to pseudoaneurysm, Doppler sonogram
shows pulse contour in common carotid artery (CCA) is irregular and jagged,
and there is reversal of flow in diastole (arrow), resembling
to-and-fro pattern produced by exchanging currents in pseudoaneurysm neck.
