Respiratory rate

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PostAdmin on 2nd November 2012, 2:49 pm

Respiratory rate: Respiratory rate is also known by respiration rate, pulmonary ventilation rate, ventilation rate, or breathing frequency is the number of breaths taken within a set amount of time, typically 60 seconds. A normal respiratory rate is termed eupnea; an increased respiratory rate is termed tachypnea and a lower than normal respiratory rate is termed bradypnea.
Measurement
Human respiration rate is measured when a person is at rest and involves counting the number of breaths for one minute by counting how many times the chest rises. Respiration rates may increase with fever, illness, or other medical conditions. When checking respiration, it is important to also note whether a person has any difficult in breathing.
Normal range: Average respiratory rate reported in a healthy adult at rest is usually given as 12-18 breaths per minute but estimates do vary between sources, e.g., 12–20 breaths per minute, 10–14, between 16–18, etc. With such a slow rate, more accurate readings are obtained by counting the number of breaths over a full minute.
Variation By Age: average respiratory rates by age are:
• Newborns: 30-40 breaths per minute
• Less Than 1 Year: 30-40 breaths per minute
• 1-3 Years: 23-35 breaths per minute
• 3-6 Years: 20-30 breaths per minute
• 6-12 Years: 18-26 breaths per minute
• 12-17 Years: 12-20 breaths per minute
• Adults Over 18: 12–20 breaths per minute.


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