Table 1.

Invasive and non-invasive diagnosis of cardiac amyloidosis according to recent statements of national or international scientific societies. ATTR, transthyretin amyloidosis; CMR, cardiac magnetic resonance.

Diagnosis Criteria for Cardiac Amyloidosis
All types		Only ATTR (with absent monoclonal protein)
Positive cardiac biopsy	Positive extracardiac biopsy + Echocardiographic/CMR features	Grade 2 or 3 cardiac uptake at scintigraphy + Echocardiographic/CMR features
	*

* According to ESC, DGK and CCS/CHFS.