EchoJEPA: A Latent Predictive Foundation Model for Echocardiography. - Alif Munim; Adibvafa Fallahpour; Teodora Szasz; Ahmadreza Attarpour; River Jiang; Brana Sooriyakanthan; Maala Sooriyakanthan; Heather Whitney; Jeremy Slivnick; Barry B. Rubin; Wendy Tsang; Bo Wang (CoRR, 2026)