Figure 5 - Artifacts during pH monitoring.
From the following article
Gastroesophageal reflux monitoring: pH and impedance
Radu Tutuian and Donald O. Castell
GI Motility online (2006)
doi:10.1038/gimo31
a: Meal artifact. b: Pseudoreflux (slow drift in proximal pH channel only).
Powerpoint slides for teaching
If the slide opens in your browser, Select "File > Save as" to save it.
Download Power Point slide (694K)