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