Samples of the synthetic datasets are available at https://drive.google.com/drive/folders/1H8UCqLrv1WMUe_n578OjLSZAnsiL9enA?usp=drive_link. A detailed description of the data can be found in the paper titled ‘Synthesis of Pathological Dual-Channel Color Doppler Echocardiograms for Equitable Diagnosis of Heart Diseases.’ The code can be shared upon request, subject to ethical review and institutional approval.