Fig. 2
From: Echocardiographic diagnosis of the different phenotypes of hypertrophic cardiomyopathy
a PLAX view demonstrating the asymmetrical hypertrophy of the interventricular septum over the posterior wall with a ratio >1.3. b Massive septal hypertrophy characterized by a septal diastolic thickness > 30 mm. c Massive septal hypertrophy with RVOT obstruction by the projection of the massively hypertrophied interventricular septum into the right outflow tract. d MOHC with the ‘hourglass’ shaped left ventricle consisting of two different chambers: the proximal and the distal chamber