All
 E01 Diagnosis D003933 +
 E01.370 Diagnostic Techniques and Procedures D019937 +
 E01.370.350 Diagnostic Imaging D003952 +
 E01.370.350.850 Ultrasonography D014463 +
 E01.370.350.850.220 Echocardiography D004452 +
 E01.370.350.850.220.220 Echocardiography, Doppler D015150 +
 E01.370.350.850.220.235 Echocardiography, Transesophageal D017548 
 E01.370.350.850.220.230 Echocardiography, Three-Dimensional D019560 +
 E01.370.350.850.220.228 Echocardiography, Stress D025401