Fig. 1
From: Uncovering the knowledge about systemic amyloidosis relevant to the rheumatologists

Workflow for diagnosis of the type of amyloidosis in case of suspicion. Legend AA - A amyloidosis; AL - light chain amyloidosis; ATTRv - hereditary transthyretin amyloidosis ATTRwt - transthyretin amyloidosis wild type; BNP - brain natriuretic peptide; ECG – eletrochardiogram; SAA - serum A amyloid protein. * Abdominal fat pad aspirate or rectum biopsy in ATTR may not be necessary if other complementary tests have already provided a definite diagnosis