Fig. 2
From: Cardiac pathology in spinal muscular atrophy: a systematic review
Structural cardiac pathology in SMA type 1. Areas of the heart frequently reported to show cardiac defects in patients with SMA type 1 (n = 42) are shown in color. Rarely affected and unaffected areas are shown in shades of grey. Numbers indicate 1: atrial septum; 2: cardiac outflow tract; 3: patent ductus arteriosus; 4: ventricular septum