Stridor Wheeze Quiet
Wheeze Quiet Stridor
80-100 100-160 80-120 120-160
Conscious, alert, active May be altered or unconscious
May be anxious Quiet, calm
80-100 80-120 100-160 120-160
120-160 80-120 80-100 100-160
Little effort with small chest movement Grunting, retraction, use of accessory muscles
20-35 40-60 20-50 15-25
120-160 100-160 80-100 80-120
40-60 20-35 15-25 20-50
Quiet Stridor Wheeze
Warm, pink, dry Pallor or cyanosis
<100 or >170 <75 or >130 <90 or >170 <65 or >100
20-50 15-25 40-60 20-35
Clear and steady (older children) Broken or unable to speak (older children)
Quiet, calm May be anxious
Broken or unable to speak (older children) Clear and steady (older children)
<75 or >130 <90 or >170 <100 or >170 <65 or >100
40-60 20-35 20-50 15-25
<100 or >170 <75 or >130 <65 or >100 <90 or >170
Restlessness, tachypnoea, tachycardia (badycardia as a late sign) and cyanosis. Lethargy, bradycardia, hypotention, apnoea, pallor. Sweating (uncommon in infants), tachycardia, bounding pulse, hypertension, pupillary dilatation, (cardiovascular and CNS depression as a late sign).
Sweating (uncommon in infants), tachycardia, bounding pulse, hypertension, pupillary dilatation, (cardiovascular and CNS depression as a late sign). Restlessness, tachypnoea, tachycardia (badycardia as a late sign) and cyanosis. Lethargy, bradycardia, hypotention, apnoea, pallor.