Left ventricular non-compaction, also known as LVNC, spongy myocardium or hypertrabeculation syndrome, is a pathologic cardiac condition in which the myocytes exhibit a “spongy” appearance.

harthosp.org Non-compaction cardiomyopathy (NCCM) is typified by deep invaginations of the myocardium and is caused by an arrest of normal myocardial morphogenesis. NCCM was once considered rare, but ...