A novel predictor of unsustained return of spontaneous circulation in cardiac arrest patients through a combination of capnography and pulse oximetry: a multicenter observational study |
Jing Yang, Hanqi Tang, Shihuan Shao, Feng Xu, Yangyang Fu, Shengyong Xu, Chen Li, Yan Li, Yang Liu, Joseph Harold Walline, Huadong Zhu, Yuguo Chen, Xuezhong Yu, Jun Xu |
Figure 1. Flowchart of the study population. ROSC: return of spontaneous circulation; ETCO2: end-tidal carbon dioxide; POP: pulse oximetry photoplethysmogram; ECG: electrocardiogram. |
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