Case Report

Exercise-Stress Echocardiography Reveals Systolic Anterior Motion of the Mitral Valve as a Cause of Syncopes in a Cardiac Amyloidosis Patient

Figure 2

Endomyocardial biopsies. (a) Endocardial infiltration, congo stain; (a′) endocardial infiltration, congo stain and polarization; (b) interstitial amyloid deposits, congo stain; (b′) interstitial amyloid deposits, congo stain and polarization; (c) intramural coronary vessel, congo stain; (c′) intramural coronary vessel, congo stain and polarization.