TABLE 1.

Age-specific criteria for tachypnea

Age	Approximate normal respiratory rates (breaths/min)	Upper limit that should be used to define tachypnea (breaths/min)
<2 months	34–50	60
2–12 months	25–40	50
1–5 years	20–30	40
>5 years	15–25	30

Adapted from reference 14