No-Ho-Ne-He-Ne-He-Ne: No (paresis) sedate, Ho sedate, He (restoration) tone up,
Ne tone up
in strict terms describes esophageal paralysis as sedation of Neito (No) is used in case of total loss of function.
On the other hand, serious chronic paresis is expected to end up as paralysis so sedation of No may be seen
as preventive measure: one can alternate having No as control, needle 4 perpendicular, the rest is the same, and the above scheme aimed at possible paralysis in future.