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Current applications of cardiac magnetic resonance (CMR) imaging offer a wide spectrum of indications in the setting of acute cardiac care. In particular, CMR is helpful for the differential diagnosis of chest pain by detection of myocarditis and pericarditis. Also, takotsubo cardiomyopathy and acute aortic diseases can be evaluated by CMR and are important differential diagnoses in patients with acute chest pain. In patients with restricted windows for echocardiography, CMR is the method of choice to evaluate complications of acute myocardial infarction (AMI). In AMI, CMR allows for a unique characterization of myocardial damage by quantifying necrosis, microvascular obstruction, oedema (=area at risk), and haemorrhage. These capabilities will help us to understand better the pathophysiological events during infarction and will also allow to assess new treatment strategies in AMI. To what extent the information on tissue damage will guide patient management is not yet clear and further research in this field is warranted. In the near future, CMR will certainly become more routine in acute cardiac care units, as manufacturers are now focusing strongly on this aspect of user-friendliness. Finally, in the next decade or so, MRI of other nuclei such as fluorine and carbon might become a clinical reality, which would allow for metabolic and targeted molecular imaging with excellent sensitivity and specificity