Case 7

Given Roscoe's previous history of tennis ball ingestion, the owners have declined lab work and would like to start with an abdominal radiographic examination.

Lateral and ventrodorsal abdominal radiographs reveal no abnormalities, so the owners OK a CBC and serum chemistry profile. Here are the relevant findings:

CBC

Patient values

Reference range

WBC (/µl)

7,370

4,000-15,500

-Neutrophils (/µl)

5,400

2,060-10,600

-Monocytes (/µl)

940

0-840

-Lymphocytes (/µl)

700

690-4,500

-Eosinophils (/µl)

330

0-1,200

Hct (%)

35

36-60

Hgb (g/dl)

14

12.1-20.3

MCV (fl)

63

58-79

MCH (pg)

25

19-28

MCHC (g/dl)

35

30-38

RBC morphology

Normal

Reticulocytes (/µl)

35,000

< 60,000

Serum chemistry profile

Patient values

Reference range

BUN (mg/dl)

26

6-31

Creatinine (mg/dl)

1.2

0.5-1.6

ALP (IU/L)

159

5-131

ALT (IU/L)

96

12-118

Albumin (g/dl)

2.7

2.7-4.4

Globulin (g/dl)

3.1

1.6-3.6

Glucose (mg/dl)

119

70-138

Sodium (mEq/L)

139

139-154

Potassium (mEq/L)

4.3

3.6-5.5

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