Relationship between inferior vena cava diameter ratio and central venous pressure.
Qing ZhangXiaoting WangLongxiang SuHong-Min ZhangWenzhao ChaiYangong ChaoWei HeDawei LiuPublished in: Journal of clinical ultrasound : JCU (2018)
DR above 1.7 is predictive of CVP < 8 mm Hg.