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Contrast-enhanced CT images: (A) example of fabric leak through an incompletely endothelialized WATCHMAN device, with contrast seeping through the fabric at the proximal shoulder of the device (black arrow). (B and C) In comparison, this WATCHMAN device had no contrast opacification of the proximal shoulder of the device (*), but instead contrast into the LAA came through the superior gap (white arrows in B and C).
