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Figure 2 Detection of AMI by CMR and SPECT

(A) Sensitivity of contrast-enhanced magnetic resonance imaging (CMR) and single-photon emission computed tomography (SPECT) for detection of acute myocardial infarction (AMI) based on the peak troponin T levels (TNT). Groups were defined by peak troponin T level <3.0 ng/ml (n = 26), 3.0 to 6.0 ng/ml (n = 27), and >6.0 ng/ml (n = 25) (*p = 0.03). (B) Detection of AMI in anterior and non-anterior regions by CMR and SPECT (*p = 0.03). (C) Detection of electrocardiogram defined Q-wave and non–Q-wave infarction by CMR and SPECT (p = 0.06). Open bars = CMR; solid bars = SPECT.