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. 2022 Nov 21;74(6):441–449. doi: 10.1016/j.ihj.2022.11.006

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© 2022 Published by Elsevier, a division of RELX India, Pvt. Ltd on behalf of Cardiological Society of India.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 7 — India specific diagnostic algorithm for ATTR-CM NOTE: EMB is not recommended for ATTR-CM, though it can be helpful to confirm AL amyloidosis. ∗Serum free-light chain quantification and serum, and urine immunofixation. AL, light-chain amyloidosis; ATTR-CM, transthyretin amyloid cardiomyopathy; ATTRv, hereditary transthyretin amyloidosis; ATTRwt, wild-type transthyretin amyloidosis; CA, cardiac amyloidosis; CM, cardiomyopathy; CMR, cardiac magnetic resonance; ECG, electrocardiogram; ECHO, echocardiography; EMB, endomyocardial biopsy; LV, left ventricle;; 99mTc-PYP, technetium pyrophosphate; SPECT, single photon emission computed tomography; TTR, transthyretin; 99mTc-DPD/PYP/HMDP, Technetium 3,3-diphosphono-1,2-propanodicarboxylicacid/pyrophosphate/hydroxy methylene diphosphonate.