This video will give you detailed information about peptic ulcer disease. This video also explains the protective mechanisms of the stomach. At the end of the video some important differences between gastric and duodenal ulcre have been mentioned as well. 0:00 Definition 1:40 Normal protective mechanism of Stomach 2:19 Etiology 5:40 Clinical features 7:07 Gross features 9:33 Duodenal ulcer Pathogenesis 12:35 Microscopy 14:15 Clinical presentation of PUD 16:30 Complications of PUD 17:20 Differences between GU and DU