NAVLE（北美执业兽医考题）Day 789

A 7-year old female spayed English Springer Spaniel presents for difficulty breathing and lethargy. Physical exam shows pale mucous membranes and increased respiratory effort. You collect blood for a complete blood count and a chemistry panel and you place a drop of blood with a drop of saline on a glass slide. After swirling the sample around, you can grossly see what is shown in the picture. What's your diagnosis?
一只7岁雌性已绝育史宾格犬由于呼吸困难和嗜睡前来就诊。体格检查提示该犬粘膜苍白，呼吸费力。你为她采血做了血常规和血液生化，你还将一滴血滴在了载玻片上的一滴生理盐水里。慢慢晃动混匀血样后，你大概能看到的情况如下图。里的诊断是什么？