新生儿血压测定的方法有直接测定法和间接测定法。前者虽为测定血压的“金标准”，但属侵入性方法，操作技术要求高，且有较多并发症，其临床应用受一定限制。后者属非侵入性方法，多采用电子动脉搏动描计技术或超声多普勒技术。脉搏氧饱和度仪作为一种非侵入性技术己广泛... Neonatal blood pressure measurement methods are direct and indirect measurement. Although the former is the “gold standard” for blood pressure measurement, invasive methods, high technical requirements for operation, and many complications are encountered. Its clinical application is subject to certain restrictions. The latter is a non-invasive method, the use of electronic pulse beats artery or ultrasound Doppler technology. Pulse oximeters have been widely used as a noninvasive technique ...