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Table 1 FLACC scale (Merkel et al. 1997)

From: Ultrasound-guided infraorbital nerve block for cleft lip repair in pediatrics: a new technique for an old block

Categories Scoring
0 1 2
Face No particular expression or smile Occasional grimace or frown withdrawn, disinterested Frequent to constant frown, clenched jaw, quivering chin
Legs Normal position or relaxed Uneasy, restless, tense Kicking or legs drawn up
Activity Lying quietly, normal position, moves easily Squirming, shifting back and forth, tense Arched, rigid, or jerking
Cry No cry (awake or asleep Moans or whimpers, occasional complaint Crying steadily, screams or sobs; frequent complaints
Consolability Content, relaxed Reassured by occasional touching, hugging Difficult to console or comfort or being talked to; distractable
  1. Each of the five categories Face, Legs, Activity, Cry, and Consolability is scored from 0 to 2, which results in a total score between zero and ten
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