Rapid progression of heart failure secondary to radioactive iodine treatment of hyperthyroidism: A case report

Figure 1 Transthoracic echocardiogram findings from presentation to the last follow-up. A: Apical four-chamber view of the transthoracic echocardiogram in diastole on presentation; B: One-month follow-up echocardiographic imaging; C: Six-month follow-up echocardiographic imaging.

Figure 2  Electrocardiogram findings on presentation.

Figure 3 Cardiac magnetic resonance imaging findings from presentation to the last follow-up. A and C: Late gadolinium enhancement of the short-axis and four-chamber heart view on presentation; B and D: Six-month follow-up late gadolinium enhancement.

Figure 4  Molecular mechanism causes heart failure in hypothyroidism.