Endoscopy and biopsy can be used to indicate the diseases in esophagus, stomach and duodenum. Also, bleeding can be stanched through the tube. If abnormal areas are noted, tissue samples can be obtained through the endoscope. The tissue samples will be checked to identify the cause of bleeding.
Hematemesis other diagnostic studies
Jaundice other diagnostic studies
Jaundice echocardiography or ultrasound
Jaundice other imaging findings
Hematemesis other imaging findings
Hematemesis chest x ray
Secondary peritonitis physical examination
Acute cholecystitis physical examination