Difference between revisions of "Small Animal Emergency and Critical Care Medicine Q&A 21"
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Revision as of 07:42, 18 August 2011
This five-year-old, female Cocker Spaniel presented for evaluation of decreased appetite. PCV – 38%; TS – 6.8 gm/dl; ACT – 90 seconds; platelet count – 65,000/μl.
| Question | Answer | Article | |
| What abnormality is seen here? | Evidence of petechiae. |
[[|Link to Article]] | |
| Abnormalitites of which part of the coagulation system will result in these clinical signs? | The presence of petechiae suggests the presence of either a vascular or platelet abnormality (vasculitis, thrombocytopenia, thrombopathia). |
[[|Link to Article]] | |
| Is the platelet count low enough to result in clinical signs of spontaneous hemorrhage? | No. If the platelet count is less than 40,000/μl, the animal may have a bleeding tendency. Spontaneous hemorrhage, however, does not usually occur until the platelet count is less than 20,000/μl. |
[[|Link to Article]] | |
| Name four categories for the etiology of the coagulation abnormality. List one example for each cause. | Causes of thrombocytopenia are:
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[[ |Link to Article]] | |
