Return to pretest activities right away. Additional clinical observation and laboratory studies may be required to establish a definite diagnosis. Time before test results available Test requires only a few minutes in the laboratory. Time before results are reported to the doctor or patient varies from a few Test results Test Values Test results are determined by the difference in acidity in the esophagus before and after injecting acid into the stomach. Normal Values pH of esophagus is greater than 5.0.
Persistent reflux leads to chronic reflux esophagitis.
Factors Affecting Results Taking these drugs may affect test results Adrenergic blockers. Other factors that may affect test results Alcohol. Failure to fast overnight. Smoking before the test. All rights reserved.