Pignatelli RH, et al.
LVNC - Diagnostic criteria (Adapted from Heart 2001;86:666-71).
All 3 criteria must be present.
1) Multiple deep echocardiographic trabeculations
2)Trabeculations should communicate with ventricular cavity, shown by color Doppler and recesses demonstrated in apical & middle portions of the ventricle
3) Non-compacted to compacted portions ratio >1.4
Also, see other posting on this subject.