Evidence-Based Actor-Verifier Reasoning for Echocardiographic Agents. - Peng Huang; Yiming Wang; Yineng Chen; Liangqiao Gui; Hui Guo; Bo Peng 006; Shu Hu 001; Xi Wu 004; Connie W. Tsao; Hongtu Zhu; Balakrishnan Prabhakaran 002; Xin Wang 045 (CoRR, 2026)