Gastric ulcer breath test: patient blows into tube

Numéro d’image : 11849772
Gastric ulcer breath test: patient blows into tube
MODEL RELEASED. Breath test for stomach ulcer. A doctor watches as a patient blows into a sample tube during a urea breath test for gastric ulcers caused by bacteria. The patient has been given a drink containing urea enriched with non- radioactive carbon-13. The bacteria which causes stomach ulcers,Helicobacter pylori,breaks down urea to form carbon dioxide. Half an hour after taking the urea-drink,the patient blows into the sample tube. These tubes are then tested for carbon dioxide containing carbon-13. A positive result indicates the presence of H. pylori and the necessary drugs can then be prescribed to the patient
Licence : Droits gérés
Crédit: Science Photo Library / Greim, John
Taille de l’image : 3634 px × 2480 px
Model Release : Disponible
Property Release : Non requis
Restrictions : -

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