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In this episode of All Things Amyloid, we hear from Dr. Mazen Hanna, cardiologist at the Cleveland Clinic and co-director of the Amyloid Program. Adapted from his video “Cardiac Amyloidosis - AL and ATTR: Two Different Conditions” he explains how cardiac amyloidosis can originate from two very different types of amyloidosis: AL (light chain) or ATTR (transthyretin). Dr. Hanna illustrates how clinicians can identify cardiac amyloidosis and look to different diagnostic work-ups to understand whether the issues are due to AL or ATTR amyloidosis. These two conditions are treated differently and have different prognoses, emphasizing the importance of identifying the type of amyloidosis involved. His video can be found in the Education Hub on Mackenzie’s Mission website. For an overview of amyloidosis, please see episode 2 (for clinicians) or episode 3 (for patients).