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Doctor insights on: What Does Fev1 Represent What Is Considered To Be A Good Fev1 Level

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What does fev1 represent? What is considered to be a good fev1 level?

What does fev1 represent? What is considered to be a good fev1 level?

Lung function: The fev1 stands for forced expiratory volume in the 1st second of a lung function test. It gives a picture of how fast the air is able to be expelled from the airways. A "normal" number is really dependent on multiple factors, but generally >80% predicted is acceptable. ...Read more

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Dr. Patricia Foster
48 doctors shared insights

Fev1 (Definition)

This is the forced expiratory volume in 1 second and is the amount of air one can rapidly expire after a deep breath in 1 second. It is a component of pulmonary function tests, and along with other aspects of the test can help diagnosis lung disease or the severity of certain kinds ...Read more


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Since using Qvar inhaler, my oxygen levels are better. Will my fev1 improve to?

Since using Qvar inhaler, my oxygen levels are better. Will my fev1 improve to?

Hopefully: That's a good sign, just keep taking it as prescribed, controlling airway inflammation should lead to improved fev1 and all spirometry parameters, good luck ...Read more

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Ct show bullae both lung upper lobe.Fev1 96 fvc 102 fev1/fvc 96 tlc 108 dsbhb 75 dco 87 d/v asbhb 85.Normal bronchoscopy, is it emphysema which stage?

Ct show bullae both lung upper lobe.Fev1 96 fvc 102 fev1/fvc 96 tlc 108 dsbhb 75 dco 87 d/v asbhb 85.Normal bronchoscopy, is it emphysema which stage?

Very very mild: You have anatomic emphysema but no functional impairment thus it's very, very mild. If you smoke, please stop. Consider whether you have occupational exposure to toxic fumes? If no to both, you should be checked for alpha-1 antitrypsin deficiency. ...Read more

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What is the definition or description of: fev1?

What is the definition or description of: fev1?

Forced exp volume: This is the forced expiratory volume in 1 second and is the amount of air one can rapidly expire after a deep breath in 1 second. It is a component of pulmonary function tests, and along with other aspects of the test can help diagnosis lung disease or the severity of certain kinds of diseases like copd. ...Read more

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FVC 3.54 pre meas 4.32 ref 122. FEV1 2.80 pre meas 4.32 pre ref 107. FEV1/FVC ref 80 pre meas 69. FEF 25-75% 2.73 pre meas 5.79 pre ref 86. COPD?

FVC 3.54 pre meas 4.32 ref 122. FEV1 2.80 pre meas 4.32 pre ref 107. FEV1/FVC ref 80 pre meas 69. FEF 25-75% 2.73 pre meas 5.79 pre ref 86. COPD?

Unlikely: You may need DLCO also to be sure. Check with your friendly lung doc and have it checked out. Probably nothing but better be safe. Good luck and all the best. ...Read more

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What is fev1 and fvc?

What is fev1 and fvc?

Lung tests: Fev1 -- forced expiratory volume in one second; what percent of the air in your lungs you can force out during the first second, compared with how much you can force out altogether. Fvc -- forced vital capacity. The total amount of air you can blow out of your lungs with one exhalation. ...Read more

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FEV1 was 35, but improved to 38 after a br trtmnt. He was given some new medications. Can this really change the FEV1 or will it get just get worse?

 FEV1 was 35, but improved to 38 after a br trtmnt.  He was given some new medications. Can this really change the FEV1 or will it get just get worse?

Bronchodilators: Medications that help open up the airways when treating diseases such as asthma or COPD are available with a few different mechanisms of action. It depends whether the person is acutely sick on top of underlying lung disease or if it's stable underlying lung disease. Most of these medications are meant to slow further decline of FEV1. ...Read more

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Low mip and mep with no cause from extensive testing. Can this just be normal? Normal fev1, fvc and tlc also

Low mip and mep with no cause from extensive testing. Can this just be normal? Normal fev1, fvc and tlc also

Possibilities...: The MIP and MEP maneuvers can be difficult for some patients to perform so they come out abnormal when everything is ok. Have you been tested for diaphragmatic weakness? This is another explanation-you may need to see a doctor who specializes in diaphragms because this can be a tricky diagnosis to make. Good luck!! ...Read more