When to solicit cardiac scintigraphy with bone markers? In view of the aspects mentioned above, it is important for investigation of the specific form of ATTR-CA, using bone marker scintigraphy, to begin after 2 key preliminary steps: 1. establishing high clinical suspicion of the presence of CA and 2. ruling out the presence of immunoglobulin light chains, which would lead us to diagnosis of AL-CA. It is fundamental to establish high clinical suspicion, given that negative scintigraphy does not rule […]