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【单选题】
关于急性心肌梗死的诊断，以下哪项不正确（）
A.
心肌梗死发生后10天血清酶学检查已无改变
B.
心电图未出现具有诊断意义的病理Q波，不能排除急性心肌梗死的诊断
C.
CPK-MB比其他酶学检查特异性更高，且最能准确反映心肌梗死的范围
D.
血和尿的肌蛋白的峰值较心肌酶出现更早
E.
心内膜下心肌梗死者各导联ST段压低，但aVR导联ST段反而升高
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