Using a non-invasive multi-sensor device to evaluate left atrial pressure: an estimated filling pressure derived from ballistocardiography

Li Zhang, Peiwei Cai, Yinlong Deng, Jiumin Lin, Muli Wu, Zhongbo Xiao, Zhengpei Chu, Qingfeng Shi, Fei Ye, Junhao Hu, Chao Yang, Pengyang Li, Shaochun Zhuang, Bin Wang