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A 66-year-old male with AL amyloidosis, heart failure, and marked restrictive echocardiographic pattern. T1 map (A) shows a heterogeneous T1 increase with septal values in the range of 1256 ms, ie, +22% or +5.7 SD vs healthy myocardium. Typical diffuse subendocardial hyper enhancement is seen on LGE images (B, C).
