Gas within the wall of the stomach (emphysematous gastritis) is a rare condition associated with systemic toxicity and very often mortal end. The etiology includes firstly infections with gas-foaming organisms, other predisposing causes are the ingestion of corrosive substances, alcohol abuse and immunosuppression. But aplastic anemia hemodialysis even guzzling excessive amounts of carbonated beverage have being reported. Diagnosis is based on radiological techniques. There is no definitive treatment for emphysematous gastritis but the conservative approach with broad spectrum antibiotics seems always to be the first step. In this case, the guilty organism was Salmonella Arizonae.