Fig. 4

2D transthoracic echocardiogram: a Apical 3-chamber view, showing a spherical-shaped left ventricular cavity and a PSA involving the basal and mid segments of the inferolateral wall. b Apical 3-chamber view with colour Doppler showing a shunt from the LV to PSA (arrow). c Apical 5-chamber view showing a PSA involving the basal and mid segments of the anterolateral wall. d Apical 4-chamber view showing a PSA involving the basal and mid segments of the anterolateral wall with a narrow neck (38 mm)