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Non invasive imaging has always had a pivotal role in cardiology.The first cardiac MRI (CMR) assessments were performed in the 1980s, when the technique was time consuming and of limited use.Recent developments within the last 5 years have enabled CMR to become a rapid, reliable and accurate clinical tool which is both well validated and calibrated complementing other non invasive cardiac imaging.It also benefits from the lack of ionising radiation a compared to PET or nuclear imaging techniques.CMR has a valuable and unique role in many areas of adult cardiology.One such area is ischaemic heart disease for assessment of ventricular function, myocardial viability and reversible ischemia.CMR is has now become the "gold standard" for the assessment of global and regional left and right ventricular function and is well validated and calibrated.It can reliably image myocardial infarction, particularly small subendocardial myocardial infarctions which can be missed with other modalities.It is non inferior to PET imaging for the assessment of myocardial viability.It is non inferior and possibly superior to nuclear perfusion imaging for the assessment of myocardial ischaemia.Ventricular function, myocardial viability and ischaemia can all be assessed within a single "one stop" CMR assessment making it an ideal technique in this setting.This presentation will focus on the use of the various CMR techniques for assessment of ventricular function, myocardial viability and reversible ischaemia and the current evidence base for these techniques.