Left ventricular outflow tract obstruction secondary to accessory mitral valve tissue: a multimodality imaging approach

A 48-year-old male was referred to our hospital department for septal alcohol ablation of a hypertrophic obstructive cardiomyopathy, known for 4 years. Despite the treatment with β-blockers, then isoptine and disopyramide, he was still symptomatic with a disabling exertional dyspnoea. The cardiac-CT with retrospective acquisition found non-significant coronary artery disease. The septal wall was 12-mm …