A preliminary study on contrast characteristics and clinical application of bedside transthoracic contrast-enhanced ultrasound in iatrogenic cardiac tamponade - Wang, Dandan; Tang, Lingpeng; Yang, Jianchuan; Lin, Xiaoying; Hu, Ting; Liu, Jiamin; Wu, Songsong; Lyu, Guorong (Quantitative Imaging in Medicine and Surgery; Publish Ahead of Print, 2026)