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The respiratory rate is the rate at which breathing occurs; ... Average resting respiratory rates by age are: [11] [self-published source] [12] birth to 6 weeks: 30 ...
Average respiratory rates vary between ages, but the normal reference range for people age 18 to 65 is 16–20 breaths per minute. [4] The value of respiratory rate as an indicator of potential respiratory dysfunction has been investigated but findings suggest it is of limited value.
Lung volumes and lung capacities refer to the volume of air in the lungs at different phases of the respiratory cycle. The average total lung capacity of an adult human male is about 6 litres of air. [1] Tidal breathing is normal, resting breathing; the tidal volume is the volume of air that is inhaled or exhaled in only a single such breath.
Respiration rate may be taken by observing rise and fall, placing your hand and feeling the rise and fall, or using a stethoscope. [21] Since a child’s respiration rate is diaphragmatic, abdominal movement is observed or felt to count the respirations. [18] Like heart rate, respirations should be counted for one full minute.
A human's vital capacity depends on age, sex, height, mass, and possibly ethnicity. [4] However, the dependence on ethnicity is poorly understood or defined, as it was first established by studying black slaves in the 19th century [ 5 ] and may be the result of conflation with environmental factors.
Age 0–1 year < 30 breaths per minute; Age 1–3 years < 25 breaths per minute; Age 3–12 years < 20 breaths per minute; Age 12–50 years < 12 breaths per minute; Age 50 and up <13 breaths per minute
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Tachypnea, also spelt tachypnoea, is a respiratory rate greater than normal, resulting in abnormally rapid and shallow breathing. [1]In adult humans at rest, any respiratory rate of 12–20 per minute is considered clinically normal, with tachypnea being any rate above that. [2]
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