摘要床旁即时检验(point-of-care testing，POCT)技术已广泛应用于临床，尤其是在急诊科、重症监护病房等应用较多。临床医生应根据不同POCT项目的适应证，正确选择患者、规范采集标本和严格操作，并基于患儿的临床特点和其他辅助检查结果，对POCT的结果做出正确解读，以指导临床诊疗。本文主要分析儿科急诊在感染和病原学、凝血指标、心肌损伤等方面的POCT应用。

abstractsPoint-of-care testing technology has been widely used in clinical practice, especially in the emergency department of intensive care unit, operating room, and so on.Clinicians should correctly select patients, standardize specimen collection and strict operation according to the indications of different POCT items, and correctly interpret the results of POCT based on the clinical characteristics of children and other auxiliary examination results, so as to guide clinical diagnosis and treatment.From the perspective of pediatric emergency, this review analyzed the application of POCT technology in infection-related indicators, etiology, coagulation indicators, myocardial injury, and so on.