Targeted respiratory regulation and precision diaphragm localization improve efficiency and image quality: a comparison between conventional and improved four-dimensional flow cardiac magnetic resonance in hypertrophic obstructive cardiomyopathy patients and healthy volunteers

Jiehao Ou, Xinyi Luo, Guanyu Lu, Yingjie Mei, Rui Chen, Wei Luo, Xiaodan Li, Yinzhu Chen, Huanwen Xu, Yongzhou Xu, Yuelong Yang, Hui Liu