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. 2022 Sep 7;4(4):458–470. doi: 10.1016/j.jaccao.2022.08.007

Figure 4.

Figure 4

Electrocardiographic and Histologic Features of a Patient With ATTR CA

Electrocardiographic and histologic features of a 74-year-old patient with ATTR CA who died from refractory heart failure. (A) Basal 12-lead electrocardiogram showing LQRSV. (B) An autopsy specimen of the myocardium showing diffuse and massive amyloid interstitial deposition (black arrow) together with rarefied and atrophic cardiomyocytes (black asterisk) (sulfated Alcian blue stain, scale bar = 200 μm). Abbreviations as in Figure 1.