Sheep maternal and fetal precordial ECG

At 126dG, ECG was attached to near-term ewe and fetal shoulders, manubrium and xyphoid processes (n=13). Both maternal and fetal ECG signals were acquired simultaneously throughout the surgical instrumentation with fetal ECG serving as the ground-truth to which the fetal ECG signal extracted from the maternal ECG was compared. Maternal and fetal ECG signals were monitored continuously and digitized at 1000 Hz sampling rate with the 16 bit resolution (1902 and micro1401, both by CED, Cambridge, U.K.). Clinical information, like blood gas or demographic information, is provided. For details, please go to http://iopscience.iop.org/article/10.1088/1361-6579/aaaaa4/meta or the arxiv version http://arxiv.org/abs/1708.09526在妊娠第126天（dG为妊娠天数days of gestation的缩写），研究人员将心电图（Electrocardiogram, ECG）电极粘贴于临近足月母羊及其胎儿的肩部、胸骨柄与剑突处，共纳入13例样本（n=13）。在整套手术采集仪器运行全程中，同步采集母体与胎儿的心电图信号，以胎儿心电图作为真值（ground-truth），将从母体心电图中提取得到的胎儿心电图信号与该真值进行比对。研究人员对母体与胎儿心电图信号进行持续监测，并以1000 Hz采样率、16位分辨率对信号进行数字化采集，所用设备为英国剑桥CED公司生产的1902与micro1401型号设备。本数据集同时提供血气分析信息与人口统计学相关临床资料。如需了解更多细节，请访问：http://iopscience.iop.org/article/10.1088/1361-6579/aaaaa4/meta，或查看其arXiv预印本：http://arxiv.org/abs/1708.09526