Electrocardiogram is particularly useful for cardiac involvement in<unk>  amyloidosis. Findings on electrocardiogram include low voltage QRS complexes, left and right ventricular hypertrophy, left atrial abnormalities, pathological Q waves, and AV block.
Primary amyloidosis electrocardiogram
Secondary amyloidosis electrocardiogram
Familial amyloidosis electrocardiogram
Multiple myeloma electrocardiogram
Cardiac amyloidosis electrocardiogram
Amyloidosis electrocardiogram
Sarcoidosis electrocardiogram
Cardiac amyloidosis cardiac biopsy