Prognostic value of stress perfusion cardiac magnetic resonance in patients with known or suspected coronary artery disease and supranormal left ventricular ejection fraction

Open Heart. 2026 Jun 8;13(1):e004086. doi: 10.1136/openhrt-2026-004086.ABSTRACTBACKGROUND: Prior studies have shown that a supranormal range of left ventricular ejection fraction (LVEF) is associated with adverse cardiovascular outcomes. However, the prognostic value of stress perfusion cardiac magn

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