Supravalvular aortic stenosis mimicking hypertrophic obstructive cardiomyopathy: a case report

When evaluating LVOT obstruction, the limitations of TTE in assessing supravalvular structures can lead to diagnostic error. Patients with suspected HCM who are being evaluated for surgical management should also undergo TEE and CMR to assess the supravalvular aorta for potential SVAS contributing to an elevated LVOT gradient. Incorporating multimodality imaging in these patients enhances diagnostic accuracy, accurately directs surgical planning, and reduces the risk of proceeding with unnecessary intervention.