TABLE 4.

Summary of sliding hiatal hernia (sHH) evaluation and diagnosis in 67 dogs

Modality	Dogs evaluated
Radiographs alone	29/67
VFSS alone	1/67
Radiographs and VFSS	37/67
Modality	Diagnosis
Radiographs	30/66
VFSS	30/38
Radiographs and VFSS	6/37
Other (abdominal explore)	1

Note: A total of 66/67 dogs had thoracic radiographs and 38/67 has videofluoroscopic swallow study (VFSS). The number of dogs evaluated alone or in combination by radiographs, VFSS, or both are provided above. The method of sHH diagnosis is also provided. Dogs listed as being diagnosed by radiographs and VFSS had a positive diagnosis on both modalities. The dog diagnosed by abdominal explore had no sHH detected on either radiographs or VFSS. A total of 36/66 dogs had a sHH diagnosed by radiographs and 36/38 by VFSS.