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In obstructive lung disease, the FEV1 is reduced due to an obstruction of air escaping from the lungs. Thus, the FEV1/FVC ratio will be reduced. [4] More specifically, according to the National Institute for Clinical Excellence, the diagnosis of COPD is made when the FEV 1 /FVC ratio is less than 0.7 or [8] the FEV 1 is less than 75% of predicted; [9] however, other authoritative bodies have ...
Average values for FEV1 in healthy people depend mainly on sex and age, according to the diagram. Values of between 80% and 120% of the average value are considered normal. [14] Predicted normal values for FEV1 can be calculated and depend on age, sex, height, mass and ethnicity as well as the research study that they are based on.
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[71] [80] The lungs filter out small blood clots from veins and prevent them from entering arteries and causing strokes. [79] The lungs also play a pivotal role in speech by providing air and airflow for the creation of vocal sounds, [71] [81] and other paralanguage communications such as sighs and gasps.
Women have this one down, too—we volunteer more than men, according to the U.S. Bureau of Labor Statistics. Nearly twice as many women than men did it on an average day in 2022. The science here ...
According to a lawyer for two of the women who testified in the House Ethics Committee investigation, Gaetz dropped his sexual relationship with the girl once he learned she was a minor.
U.S. prosecutors unveiled criminal charges on Wednesday against five alleged members of Scattered Spider, a loose-knit community of hackers suspected of breaking into dozens of U.S. companies to ...
Prehypertension, also known as high normal blood pressure and borderline hypertensive (BH), [1] is a medical classification for cases where a person's blood pressure is elevated above optimal or normal, but not to the level considered hypertension (high blood pressure).