Echocardiography in the diagnosis of Shone’s complex and analysis of the causes for missed diagnosis and misdiagnosis

Figure 2 Image of a patient with incomplete Shone’s complex. Echocardiography missed the ALMR. Intraoperative exploration revealed that the mitral valve adhered to the anterior leaflet, close to the anterior leaflet of the mitral valve. A: The parasternal left ventricular long-axis view showed a significant thickening of the left ventricular wall; B: The forward flow velocity at the mitral valve was increased significantly, at 2.4 m/s, and the mean transvalvular pressure gradient was 11 mmHg; C: The aortic valve was bicuspid and arranged on the left and right; D: The flow velocity of the aortic valve was increased significantly, at 5.45 m/s, and the mean transvalvular pressure gradient was 73 mmHg.