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The dilemma of ischemia testing with different methods
Echo Research & Practice volume 1, pages K1–K4 (2014)
A 52-year-old man presented after one episode of effort angina, normal treadmill electrocardiogram (ECG), and clearly positive adenosine cardiac magnetic resonance (aCMR) for reversible perfusion defects in the left anterior descending (LAD) coronary artery territory. Contrast high-dose dipyridamole (0.84-mg/kg per 6-min) stress echocardiography (cSE) demonstrated normal myocardial perfusion (MP) and wall motion at rest, while perfusion defects were shown in the lateral and apical segments after dipyridamole. Wall motion at stress was completely normal and stress/rest Doppler diastolic velocity ratio on the LAD demonstrated reduced flow reserve. In this case, cSE was the provocative test detecting both the LAD and circumflex obstructive lesions, thanks to MP analysis, while wall motion assessment was negative, not different from treadmill ECG, and aCMR highlighted only the LAD disease.
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Donataccio, M.P., Reverberi, C. & Gaibazzi, N. The dilemma of ischemia testing with different methods. Echo Res Pract 1, K1–K4 (2014). https://doi.org/10.1530/ERP-14-0013