Changes

===Laboratory Tests===

===Laboratory Tests===

Diagnosis is usually on the basis of clinical signs and a known history of chocolate ingestion <ref name="multiples" http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/211104.htm </ref>. The following laboratory tests are possible but not commonly used;

Diagnosis is usually on the basis of clinical signs and a known history of chocolate ingestion <ref name>="multiples" http://www.merckvetmanual.com/mvm/index.jsp?cfile=htm/bc/211104.htm </ref>. The following laboratory tests are possible but not commonly used;

* Assays for detection of methylxanthines in bodily fluids such as plasma, urine and stomach contents <ref name="multiples">Tilley Smith'''The 5-Minute Veterinary Consult Canine and Feline''' (Third Edition), ''Lippincott, Williams and Wilkins''</ref>.

* Assays for detection of methylxanthines in bodily fluids such as plasma, urine and stomach contents <ref name="multiples">Tilley Smith'''The 5-Minute Veterinary Consult Canine and Feline''' (Third Edition), ''Lippincott, Williams and Wilkins''</ref>.