14-yr-old dog unable to walk

Test Results 1

Results of appropriate testing are shown:

Complete blood count: Normal

Blood chemistry profile:

Test (units)

Result

Ref. Range

Creatinine (mg/dL)

1.3

0.5–1.5

Blood urea nitrogen (mg/dL)

43

7–32

Phosphorus

3.7

2.6–7.9

Calcium (mg/dL)

12.3

9.7–12.1

Sodium (mmol/L)

164

138–148

Potassium (mmol/L)

4.1

3.5–5.0

Chloride (mmol/L)

20

13–24


Urinalysis (cystocentesis):

Test (units)

Result

Ref. Range

Specific gravity

1.018

1.010–1.030

Protein

2+

Negative


Test (units)

Result

Ref. Range

Blood pressure

135

< 150

Thoracic radiographs: Normal

Abdominal radiographs: Vertebral spondylosis of thoracic and lumbar spine.

CSF analysis: Normal

Complete neurologic examination: Wide-based stance with vestibular ataxia, intermittent left head tilt, inconsistent to absent menace OU, and spontaneous variable horizontal and rotary nystagmus. Absent to delayed conscious proprioception of hind limbs. Otherwise normal.