NAVLE(北美执业兽医考题)Day 612

单选题,正确答案是100分,非正确答案为0分,Good Luck!
A middle-aged, depressed, coughing, exercise-intolerant Doberman pinscher is presented. The dog has a rapid and irregular heart rate. What disease is at the top of the differential diagnosis list?
一只中年,沉郁,咳嗽以及运动不耐受的杜宾犬前来就诊。该犬心动过速且心律不齐。你的鉴别诊断列表最顶端的诊断是什么?

A - Dilated cardiomyopathy 扩张型心肌病
B - Mitral regurgitation 二尖瓣返流
C - Chronic bronchitis 慢性支气管炎
D - Wolf Parkinson White syndrome 预激综合征
E - Tricuspid insufficiency 三尖瓣闭锁不全

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