Case-task №1. A young man 24 years old, delivered a day after the onset of the disease with complaints of General weakness, vomiting the color of coffee grounds. He considers himself ill since the army, when he began to notice periodically occurring in the spring and autumn "hungry" pain in the epigastrium. He was treated independently. Deterioration of the last two weeks, when there were pain in the epigastrium, which decreased after taking Almagel. Two days ago, I noticed a tar-shaped chair. Objectively, the overall condition is satisfactory. The skin and mucous membranes are pale pink, pulse is 96 per minute, rhythmic, blood PRESSURE is 110/70 mmHg. the Abdomen is not swollen, palpation is slightly painful in the epigastrium and on the right. Peristalsis is good, the chair is dark. In blood: er 3,5 x 10/l, HB-100 g / l. Questions: 1. Your diagnosis is. 2. What complication might the patient? 3. What are the necessary instrumental and laboratory methods of examination should be performed? 4. Algorithms for Your actions. 5. Principles of conservative therapy. 6. Indications for surgical treatment and its possible options. 7. Your recommendations at discharge.