NAVLE（北美执业兽医考题）Day 733

A four-month-old Jack Russell terrier puppy was playing outdoors. Later that evening the owner noticed that the puppy was wheezing and coughing.
Based on the radiographs, what would be the best step to take next?
一只4个月大的杰克罗素梗犬在室外玩。当天晚上主人注意到狗开始打喷嚏和咳嗽。根据以下的X光片，下一步最好做什么？