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Abstract：
In the following case series, we describe the clinical presentation of 2 patients with myocardial infarction with nonobstructive coronary arteries with different underlying pathophysiologic mechanisms. In both scenarios, cardiac magnetic resonance (CMR) imaging provided comprehensive tissue characterization with both conventional parametric mapping techniques and CMR fingerprinting. These cases demonstrate the diagnostic utility for CMR to elucidate the underlying etiology and appropriate therapeutic strategy. (Level of Difficulty: Advanced.).
摘要：
在以下案例系列中，我们描述了2例具有不同潜在病理生理机制的非阻塞性冠状动脉心肌梗死患者的临床表现。在这两种情况下，心脏磁共振(CMR)成像利用常规参数标测技术和CMR指纹技术提供了全面的组织表征.这些病例证明了CMR在阐明潜在病因和适当治疗策略方面的诊断效用。（难度等级：高级。).
