Similarly, the mean peak expiratory flow rate of highlander girls (250.4 ± 70.2 L/min) was significantly higher than girls of plains (232.6 ± 65 L/min). The mean peak expiratory flow rate value of boys at high altitude (265 ± 92.6 L/min) was significantly higher than those in plain areas (245 ± 82.1 L/min). Mini Wright Peak Flow Meter was used for the study. This study was conducted to evaluate the effect of altitude on peak expiratory flow rate of healthy school children.Ī cross-sectional study was conducted in which the peak expiratory flow rate of a group of 290 school children (140 male and 150 female), aged 7-14 years, residing in Shimla (altitude 2150 meters), were compared with the results obtained in an age- and sex-matched control group, consisting of 280 school children (138 male and 142 female), residing in Patiala (altitude 278 meters). (2020).Anthropometric and socioeconomic factors are known to influence peak expiratory flow rate, but the effect of altitude has not been established decisively, due to conflicting results of various studies. What you need to know about peak flow and spirometry testing during COVID-19.Comparison of bench test results measuring the accuracy of peak flow meters. Testing the accuracy of a novel digital peak flow meter aligned with a smartphone app compared to a lab spirometer: A pilot work. Comparison of four types of portable peak flow meters (Mini-Wright, Assess, Pulmo-graph and Wright Pocket meters.). Relationship between sensitivity to dyspnea and fluctuating peak expiratory flow rate in the absence of asthma symptoms. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. However, individuals with respiratory conditions should do so under the supervision of their healthcare professionals. Exercising can also help people strengthen their breathing muscles. One of the most important things people can do to improve their peak flow rates is to quit smoking. With a peak flow meter, the individual records their measurements, and there is no clip on the nose. With spirometry, a healthcare professional clips the person’s nose shut, and a machine records the readings. A peak flow meter is generally for home use. The most significant difference is that a medical professional typically uses a spirometer to diagnose respiratory problems, such as asthma and COPD and monitor the effectiveness of treatment plans. Is there a difference between a peak flow meter and a spirometer? Then they can work with their healthcare professionals to make helpful changes before problems get worse. Regular measurements help people learn what is best for them. An individual’s peak flow measurements can also change throughout the day or in response to specific events. For example, younger, taller people tend to have higher readings. The typical peak flow measurement is between 400–700 liters per minute for adults.Īge, gender, and height affect what is normal or “good” for an individual. The following are common questions and answers about peak flow meters: What does a peak flow meter measure?Ī peak flow meter measures how forcefully someone can push air out of their lungs. Learn more about the signs and symptoms of an asthma attack here. A gradual decline in PEFR over time can also indicate a decrease in lung function and help a doctor modify an asthma treatment plan. Recognizing the signs of an asthma attack through peak flow monitoring alongside following an asthma action plan can prevent symptoms from becoming severe. The study also indicated that people with poorly controlled asthma had fluctuations in PEFR even without reported asthma symptoms. The researchers found that some people incorrectly perceived their symptoms as mild, even with significant airway obstruction. Researchers analyzed the relationship between changes in peak flow measurements and the participants’ asthma symptoms. In an older 2012 study, 53 people with asthma recorded their symptoms and peak flow measurements twice daily for 274 days. In some cases, a decrease in PEFR is an early sign of an impending asthma attack. Regular monitoring with a peak flow meter can help people detect changes in their airways before other symptoms start. Weather, exposure to allergens, infection, or even exercise can all affect asthma symptoms. The PEFR often changes in response to a flare-up of asthma. People with asthma may develop narrowing of the airways, which lowers the amount of air they can exhale.
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