Amyloid deposition in aortic stenosis shown by<unk>  A<unk>  is a type of nuclear medicine imaging test which uses radioactive technetium-99m (99mTc) and 3,3-diphosphono-1,2-propanodicarboxylic acid <unk>  to diagnose cardiac amyloidosis. The radiopharmaceutical is taken up only in patients with ATTR amyloidosis, making it a useful tool to differentiate from AL amyloidosis.<unk>  is a diphosphonate and can be used as an alternative to HDP or MDP in nuclear medicine bone scintigraphy.
DPD scan
Coombs test
Iron tests
Fingerstick
OraQuick
M2-PK Test
Nephelometry 
Euglobulin lysis time