1. Esophageal Function Testing and Ambulatory Impedance pH Monitoring The Oregon Clinic GI Division

3. EFT Cases 2008-2009 Total 228 Achalasia 17 Vigorous Achalasia 9 Diffuse Esophageal Spasm 1 Nutcracker Esophagus 23 Ineffective Esophageal Motility (IEM) 71 Hypotensive LES 3 Hypertensive LES 17 Incomplete LES relaxation 37 Cricopharyngeal Achalasia 23 Hypertensive UES 35 Aborted patient intolerance 10 Remainder normal or minor abnormality of bolus transit

4. Impedance pH testing 2008-2009 239 cases Abnormal acid or non acid reflux 102 Hypersensitive esophagus (normal study except for positive symptom indices) 6 Aborted due to patient intolerance 11

6. Normal EFT

7. Normal EFT Contour View

8. Normal EFT (2)

9. Normal EFT Contour View (2)

10. Achalasia

11. Achalasia Contour View

12. Achalasia

13. Achalsaia Contour View

14. Spasm

15. Spasm Contour View

16. Ineffective Esophageal Motility IEM

18. Acid Reflux

19. Acid Relux

20. Acid Reflux

21. Non Acid Reflux

25. Symptom-Reflux Association in NERD Patients

26. Copyright ©2006 BMJ Publishing Group Ltd. Mainie, I et al. Gut 2006;55:1398-1402 Persistent GERD Symptoms despite PPI Therapy