A 3-Year-Old Boy Diagnosed with Thalassemia Major Receives Multiple Transfusions

A 3-year-old boy diagnosed with thalassemia major receives multiple transfusions to maintain his blood hemoglobin level.  On physical examination, his liver and spleen are mildly enlarged.  He also has glucose intolerance as demonstrated by an oral glucose tolerance test.  Which of the following therapies would prevent congestive cardiac failure in this patient?

A) Erythropoietin
B) Cobalamin
C) Deferoxamine
D) Ascorbic acid
E) Digoxin

Correct Answer:

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