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Figure 2a. Active gastrointestinal bleeding in a hemodynamically unstable 71-year-old man who presented with massive hematemesis that obscured endoscopic findings. (a) Coronal CT angiogram through the gastric body and antrum shows a large amount of clotted blood within the distended stomach (*) and pooling of extravasated contrast material (arrow). These findings allowed direction of the catheter toward the left gastric artery. (b) Angiogram obtained after injection of the left gastric artery shows a bleeding gastric branch (arrow). The patient was treated successfully with microcoil embolization.
