Table 1.

ACoRN Respiratory Score

Score	0	1	2
Respiratory rate	40 to 60 / minute	60 to 80 / minute	>80 / minute
Oxygen requirement 1	None	≤50%	>50%
Retractions	None	Mild to moderate	Severe
Grunting	None	With stimulation	Continuous at rest
Breath sounds on auscultation	Easily heard throughout	Decreased	Barely heard
Prematurity	>34 weeks	30 to 34 weeks	<30 weeks

A baby receiving oxygen prior to the setup of an oxygen analyzer should be assigned a score of “1”. (Derived from reference 6)