NAVLE（北美执业兽医考题）Day 540

A 10-year old cat presents with a history of chronic constipation and hasn't had a bowel movement in several days. The owner says the cat is uncomfortable and breathing heavy when she strains to defecate. T= 102.8 F (39.3 C), P= 220, R= 75. You take radiographs (see image). Which course of treatment is most appropriate for this cat?

一只10岁大有慢性便秘病史的猫好几天没有大便了。主人说这只猫在尝试排便的时候看起来很痛苦并且呼吸急促。T= 102.8 F (39.3 C), P= 220, R= 75。你拍摄的X光片如下图。以下哪种治疗方法对于这只猫来说最好？