Doctor insights on:
Does A Normal Spirometry Rule Out Asthma
No, but less severe: Normal spirometry is the usual finding with intermittent & mild persistent asthma - at least when symptoms of asthma are not present. Spirometry can still be useful to diagnose asthma in these situations. A significant increase in lung function within the normal range after inhaling albuterol is associated with asthma. You can also provoke asthma using methacholine measuring the effect with spiro. ...Read moreSee 3 more doctor answers
Pulmonary function tests is a term used to describe a group of tests done to determine lung function. Spirometry measures the amount of air that can be taken in as well as the flow rate of forcefully exhaled air . A graph is generated and can be used to determine lung function. Likewise lung volumes and diffusing capacity determine the capacity as well as ...Read more
Can a person with no family history develop asthma at the age of 16 and spirometry results are normal?
Can a person with no family history develop asthma at the age of 16 if he has all asthmatic symptoms . But spirometry is normal?
Very but..: Asthma is an intermittent disease, thus a relatively normal lung function test on one occasion does not rule out asthma. However it should be abnormal when you have symptoms and the numbers (fev-1) often improves after bronchodilator . As with all tests, a doctor can only make a diagnosis after having obtained your history, performed a physical exam, and then interpret the lung function results. ...Read more
Maybe: Asthma occurs when people have excessive bronchospasm triggered by allergens, irritants, some medications or environmental exposures. Bronchospasm is typically acute and may not show up on spirometry if there has not been a recent trigger. In this case a methacholine challenge may be used to induce bronchospasm for diagnosis by spirometry. ...Read more
Why would I do worse on spirometry test after taking my inhaler? Possibilities if it's not asthma? I'm young female, never smoked.
Check with your doc: Probably a technical thing. But better check with your lung doc. ...Read more
Raising the shoulders helps me breath easier. Why is this? And if my shoulders were raised during a spirometry, would it hide a condition like Asthma?
If you have exercise induced asthma and have a spirometry test, will it most likely show on the results?
Doc says I've chronic bronchitis but I have no cough or sputum production my full pred.Value spirometry was 83% could it be late onset asthma ?
PFT report: If you have a copy of the report, I think it is a good idea to review it with your physician. The interpretation takes into account more than one airflow value. If you have a chronic cough and reflux, then also consider aspiration and bronchoconstriction as a cause. ...Read moreSee 1 more doctor answer