December 2005

Signalment Species

Species Canine
Breed Labrador Retriever
Sex Male Intact
Age 15 months

Presenting Complaint

  • Fell off of moving tractor yesterday.

  • Having difficulty eating and drinking.

  • Labored breathing.


  • Owner bought from a breeder in Texas about 1 year ago
  • 1 year history of watery stools
  • Progressively getting weaker and weight loss over the past 6 months
  • Increased lethargy over past 4 days
  • Seeds in stool

Physical Exam

  • Temperature: 98.7 F
  • Pulse: 100 bpm
  • Respiration: panting with increased effort.
  • MM: pale pink and tacky.
  • CRT: < 2 seconds.
  • Decreased lung sounds most apparent cranioventrally on right side.
  • Painful on abdominal palpation.
  • Submandibular lymph nodes enlarged bilaterally.
  • Limping on both left forelimb and hind limb.

Diagnostic Plan

  • Complete blood count.

  • Serum chemistry analysis.

  • Thoracic radiographs.

CBC and Biochemical Abnormalities

  • Elevated ALT with differentials including hepatocyte damage and skeletal muscle damge and elevated CK due to skeletal muscle damage, all resulting from traumatic incident of falling off tractor.

  • Leukocytosis with a mature neutrophilia with the primary differential being that of a substantial acute inflammation of internal tissues such as the pleural cavity and liver.

  • Decreased total protein and albumin with differentials including hemodilution from increased extracellular fluid volume due to intravenous fluid administration or increased protein loss from vascular space due to hemorrhage.

  • Decreased platelets with differentials including blood loss with extracellular fluid volume replacement or hemodilution.

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Figure 9.


Case Follow-Up