Fibrin injection| Fibrin injection | Adherent clot - Forrest IIb- hemorrhage |
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| Fibrin clot at 12 o´clock during hemostasis of a hemorrhage, Forrest Ib. A second injection achieves a definite submucosal placement. | The ulcer is covered by a large coagulated blood clot (IIb). After carefully lifting the blood clot, fibrin is again injected to form a submucosal clot. |
