A simplified caffeine gastric test meal1 is reported at this time to fulfil the need for a practical test which may be used as a diagnostic procedure in evaluating the status of the patient with suspected peptic ulcer.
Aspiration of Gastric Juice.—
The patient reports to the office at 8 a. m. after having fasted a minimum of twelve hours. In addition, he has refrained from brushing his teeth or smoking and has avoided mental stress and emotional excitement.2A Levine tube is passed gently through a nostril into the stomach, and the entire gastric content evacuated and measured; a 10 cc. sample is tested for free and total hydrochloric acid. Six minutes later, aspirations are again commenced and continued for 4 minutes. The amount of free and total hydrochloric acid which has accumulated during this 10 minute period approaches the basal secretory level and serves as
MUSICK VH, HOPPS HC, AVEY HT, HELLBAUM AA. A SIMPLIFIED CAFFEINE GASTRIC TEST MEAL FOR THE DIAGNOSIS OF PEPTIC ULCER. JAMA. 1949;141(12):839-841. doi:10.1001/jama.1949.02910120027008