Figure 5. Cardiac siderosis.
A series of left ventricular short axis images acquired using a single breath-hold T2* pulse sequence in a patient with sickle cell anemia. A series of images are acquired at increasing echo times (TE). The signal intensity in the myocardium decreases as the TE increases. The rate of decay is used to calculate the T2* relaxation time, which is reduced in this patient and indicates the presence of significant myocardial iron overload.