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Doctor insights on: Lung Capacity Percentage

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I have 70 % lung capacity but it drops to 50 - 53% when im ill. What type of exercise can I do to work it up to 80% or am i being unrealistic.?

I have 70 % lung capacity but it drops to 50 - 53% when im ill. What type of exercise can I do to work it up to 80% or  am i being unrealistic.?

Mostly unrealistic: If your lung function falls with illness it implies airway inflammation from the illness with decreased flow. Other considerations include neuromuscular disease worsening with illness. Genetics determine our total lung capacity and the number of alveoli in a lung is predetermined according to crapo and no amount of exercise can change that. Once you lose alveoli there is no recovery. ...Read more

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Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more

Dr. Howard Jacobs
Board Certified, Pulmonology
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How do you tell what your lung capacity is?

How do you tell what your lung capacity is?

Lung function: Is measured in a respiratory lab by capacity of deep inspiratin, speed of expiration, measuring of residual volume. Alos arterial blood gases determine oxygen transfer, and ability to exhale co2. ...Read more

Dr. Howard Jacobs
Board Certified, Pulmonology
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Treating a Collapsed Lung (Checklist)

Visit the emergency department for X-rays and initial treatment
Once
Use high flow oxygen
Once
Use pain medications as directed
Once
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Will someone die if their lung capacity is 20%?

Will someone die if their lung capacity is 20%?

No: However, they will have little to no endurance, and may feel short of breath at rest. Depending on the cause of their lung dysfunction, they might live for years like this ... Or months or weeks. If the patient is under 65 he or she might be considered for lung transplantation. ...Read more

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Is there a way to fake your lung capacity in a blowing test?

Is there a way to fake your lung capacity in a blowing test?

Why? : The answer is not with adequate consistency to get a good study, but why would you want to do that? These tests are expensive and time consuming, why would you waste your own and everyone else's time to do it. ...Read more

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Treating a Lung Nodule (Checklist)

Recognize that most nodules are benign scars, not malignant
Once
Remember to obtain any previous images possibly showing nodule
Once
Carefully research best options, follow vs. biopsy
Once
Board Certified, Pulmonology
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What is a lung capacity test?

What is a lung capacity test?

Lung function: Usually a lung capacity is the total amount of air you can take & hold upon a deep breath. It is part of the lung capacities (TLC, IC, EC) & function. 3 basic capacities: Total lung cac. inspiratory capacity & expiratory capacities. If decreased is a restrictive problem like in fibrosis but many others. if increase is an obstructiver air problem (asthma, COPD, etc) ...Read more

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Can you tell me if jogging increases your lung capacity?

Can you tell me if jogging increases your lung capacity?

Lung capacity: Yes it does. Regular exercise does help with your lung capacity. Initially to increase it, and as you keep it up, you have less chance to loose capacity quickly as you age. Best of luck, but do not go overboard! ...Read more

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Treating a Lung Nodule (Checklist)

See Doctor for Evaluation
once
Evaluate Smoking Status
daily
Ensure Proper Follow Up of Nodule
once
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If I work out for a long time, can the air capacity in my lungs increase?

If I work out for a long time, can the air capacity in my lungs increase?

Define air capacity: If by air capacity, you mean your lungs vital capacity, then no. Your vital capacity is dictated by your anatomy (it's a function of your age and height). But if you're referring to your vo2max (maximal aerobic capacity) then yes, since this is a measure of oxygen use and indirectly, physical fitness. ...Read more

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Dr. Howard Jacobs
Board Certified, Pulmonology
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