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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Hematol Oncol Clin North Am. 2014 Aug;28(4):747–764. doi: 10.1016/j.hoc.2014.04.002

Figure 4.

Figure 4

(Left) Plot of left ventricular ejection fraction (in percent) versus heart T2* (in milliseconds). A T2* greater than 20 ms indicates that the heart is free of cardiac iron. Ejection fraction above 56% is considered normal. As heart iron increases (T2* declines) the prevalence of abnormal function increases [46]. (Right) Probability of developing clinical heart failure over a one year interval, based upon initial cardiac T2*. Cardiac T2* < 6 ms was associated with nearly a 50% likelihood of developing heart failure over one year [50].