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HF = heart failure; CMR = cardiovascular magnetic resonance; Tc-PYP = technetium pyrophosphate; Tc-DPD = technetium 3,3-diphospho-1,2-propanodicarboxylic acid; Tc-HMDP = technetium-hydroxymethylene diphosphonate; H/CL = heart-to-contralateral lung; AL = amyloid light chain; ATTR= transthyretin amyloidosis; TTR = transthyretin.
*Consider cardiac biopsy if clinical suspicion is high.
