Gastritis refers to the inflammation of the stomach. This video deals with all the important concepts about acute gastritis like its clinical features,diagnosis and treatment. 0:00 Introduction 0:12 Types 0:48 Pathogenesis 3:45 Etiology 5:05 H.pylori infection 5:52 Virulence factor 8:32 Stress ulcers 9:22 Clinical features 10:04 Diagnosis 10:53 Lab studies 13:00 Treatment