Fig. 1From: Conventional cardiopulmonary resuscitation-induced refractory cardiac arrest due to latent left ventricular outflow tract obstruction due to a sigmoid septum: a case reportTransthoracic echocardiography on day 10. In the parasternal long axis view (a) and four-chamber view (b), echocardiography revealed a morphological characteristic of the basal interventricular septum that protrudes into the left ventricular cavityBack to article page