[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

冠心病风险评估首选冠脉CTA(钙化积分+CTA),其阴性预测值>95%,可排除严重冠脉狭窄;但已知肾功能不全(eGFR<30)者应改选运动/药物负荷心肌灌注显像以避免造影剂肾病

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