Sarnat staging, Sarnat Classification or the Sarnat Grading Scale is a classification scale for hypoxic-ischaemic encephalopathy of the newborn (HIE), a syndrome caused by a lack of adequate oxygenation around the time of birth which manifests as altered consciousness, altered muscle tone, and seizures.
[1] HIE is graded based on the infant's clinical presentation, examination findings, the presence of seizures and the duration of illness.
Sarnat staging is used alongside electroencephalogram findings to provide information about the prognosis for the infant.
[2] UK Resuscitation Council guidelines on newborn life support recommend that a baby who received significant resuscitation at birth and who goes on to show signs of encephalopathy should be assessed by Sarnat Staging between 24 and 48 hours from birth.
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