PT - JOURNAL ARTICLE AU - Steven McVea AU - Michael McGowan AU - Bharathi Rao TI - How to use saturation monitoring in newborns AID - 10.1136/archdischild-2017-313499 DP - 2019 Feb 01 TA - Archives of disease in childhood - Education & practice edition PG - 35--42 VI - 104 IP - 1 4099 - http://ep.bmj.com/content/104/1/35.short 4100 - http://ep.bmj.com/content/104/1/35.full SO - Arch Dis Child Educ Pract Ed2019 Feb 01; 104 AB - Pulse oximetry is a first-line monitoring tool, used in neonatal medicine routinely as a part of continuous monitoring during intensive care. It is also used to guide response to resuscitation and as a screening tool for congenital heart disease. Despite its widespread use, many healthcare providers are unaware of the underlying principles and limitations of pulse oximetry in neonates. In this article, we will discuss the physiological and technological principles behind the use of saturation monitoring and its use in neonatal practice.