Behavior

playing, age-appropriate 0 sleeping 1 irritable 2 lethargic and/or confused and/or reduced response to pain 3

Circulation

pink, capillary refill 1–2 s 0 pale and/or recapillarization 3 s 1 gray and/or recapillarization 4 s; tachycardia 20/min above the age norm 2 gray and mottled or recapillarization ≥ 5 s; or tachycardia 30/min above the norm or bradycardia 3

Respiration

within the normal range, no retractions 0 10/min above normal, use of accessory respiratory muscles, and/or FiO₂ ≥ 30 % or ≥ 4 l/min O₂ 1 > 20/min above normal, retractions, tracheal tug and/or FiO₂ ≥ 40 % 2 5/min below normal with sternal retractions, tracheal tug, or grunting and/or FiO₂ ≥ 50 % or ≥ 8 l/min 3

Bronchodilator nebulization every 20 minutes

no 0 yes 2

Persistent vomiting after surgery

no 0 yes 2

Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.