Summary: | Sudden cardiac death is an unexpected death originating from the heart that occurs within an
hour of the onset of symptoms. The main cause of sudden cardiac death is arrhythmia; however,
diagnosing underlying structural heart disease significantly contributes to predicting the
long-term risk. Cardiovascular CT and MR provide important information for diagnosing and
evaluating structural heart disease, enabling the prediction and preparation of the risk of sudden
cardiac death. Therefore, we would like to focus on the various structural heart diseases
that increase the risk of clinically-important sudden cardiac death and the importance of imaging
findings.
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