NPPB and amyloidosis: Heart insufficiency NYHA II, NT-proBNP: 878 ng/L. Echocardiographic evaluation exhibited strong hypertrophy of LV with slightly diminished ejection fraction with hypokinesis of mediobasal wall areas. Slightly mitral to medium trikuspid valve insufficiency with annulus dilatation. Positive echocardiographic parameters for heart involvement in amyloidosis