[Acute gastrointestinal bleeding].

Acute gastrointestinal bleeding is a common major emergency (Internal medical or gastroenterological or medical), approximately 85 % of which occur in the upper GI tract. It is estimated that about a half of upper GI bleeds are caused by peptic ulcers. Upper GI bleeds are associated with more severe bleeding and poorer outcomes when compared to middle or lower GI bleeds.

New flexible endoscopic controlled stapler technique for the treatment of Zenker's diverticulum.

Objective: Zenker´s diverticulum (ZD) is a rare cause of dysphagia. Various surgical and flexible endoscopic therapies are available with either higher morbidity or either higher recurrence rate. Therefore, improved treatment options are needed.