{"title":"耗氧量","authors":"W. Kinnear, J. Hull","doi":"10.1093/med/9780198702467.003.0003","DOIUrl":null,"url":null,"abstract":"This chapter describes how the most important parameter measured during a cardiopulmonary exercise test (CPET) is the volume of oxygen taken up by the body at peak exercise. This is called the maximum oxygen uptake, or VO2max. Sometimes the terms ‘peak’ and ‘maximal’ are also used to describe oxygen uptake. It is measured by looking at the volume of air inspired and the oxygen content of the expired air. Predicted values depend on age and sex. A VO2max of more than 80% of predicted makes significant heart or lung disease unlikely. The lower the VO2max, the worse the prognosis.","PeriodicalId":102843,"journal":{"name":"A Practical Guide to the Interpretation of Cardiopulmonary Exercise Tests","volume":"97 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Oxygen uptake\",\"authors\":\"W. Kinnear, J. Hull\",\"doi\":\"10.1093/med/9780198702467.003.0003\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This chapter describes how the most important parameter measured during a cardiopulmonary exercise test (CPET) is the volume of oxygen taken up by the body at peak exercise. This is called the maximum oxygen uptake, or VO2max. Sometimes the terms ‘peak’ and ‘maximal’ are also used to describe oxygen uptake. It is measured by looking at the volume of air inspired and the oxygen content of the expired air. Predicted values depend on age and sex. A VO2max of more than 80% of predicted makes significant heart or lung disease unlikely. The lower the VO2max, the worse the prognosis.\",\"PeriodicalId\":102843,\"journal\":{\"name\":\"A Practical Guide to the Interpretation of Cardiopulmonary Exercise Tests\",\"volume\":\"97 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"A Practical Guide to the Interpretation of Cardiopulmonary Exercise Tests\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1093/med/9780198702467.003.0003\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"A Practical Guide to the Interpretation of Cardiopulmonary Exercise Tests","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1093/med/9780198702467.003.0003","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
This chapter describes how the most important parameter measured during a cardiopulmonary exercise test (CPET) is the volume of oxygen taken up by the body at peak exercise. This is called the maximum oxygen uptake, or VO2max. Sometimes the terms ‘peak’ and ‘maximal’ are also used to describe oxygen uptake. It is measured by looking at the volume of air inspired and the oxygen content of the expired air. Predicted values depend on age and sex. A VO2max of more than 80% of predicted makes significant heart or lung disease unlikely. The lower the VO2max, the worse the prognosis.
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