Difference Between Spirometry for Asthma and Spirometry COPD

Even though asthma and COPD are distinct disease entities, patients frequently exhibit symptoms of both, making it difficult for primary care providers to make a proper diagnosis. The symptoms of asthma and COPD, which are both common respiratory illnesses, are similar.

But they are both different from one another.

Spirometry for Asthma vs Spirometry COPD

It is crucial to distinguish between asthma and COPD since both disorders’ suggested care techniques differ in key ways.

Spirometry for asthma is the process of using spirometry to determine a person’s asthma status, when this lung function test is done to look for airflow blockage that could be an asthma sign, it is known as spirometry for asthma. It is a test to measure breathing ability to help people that are diagnosed with asthma.

Different from spirometry for asthma, spirometry for COPD is when spirometry is used to check for chronic obstructive pulmonary disease, this is known as spirometry for COPD. Spirometry is a breathing test that can be performed to quantify airflow and help in the diagnosis of COPD (chronic obstructive pulmonary disease).

Comparison Table

Parameters of ComparisonSpirometry for AsthmaSpirometry COPD
DefinitionIs done to test if a person has asthmaIs done to test if a person has COPD
FVCMay or may not be reducedAlways reduced
FEV1/FVCThe values are less than 70% in an attack of asthmaLess than 70% and decreases in time
FEV1Increases by 12% after treatment with a bronchodilatorDoes not increase by 12% after using a bronchodilator
Serial SpirometryThe results may vary or remain similar over timeThere is a notable deterioration in values over time

What is Spirometry for Asthma?

When you have asthma, the muscles surrounding your airways tighten and the lining of your lungs’ airways thickens. The airways then become congested.

You have a hard time getting air out of your lungs when you breathe. You might consequently cough, wheeze, feel out of breath, or experience pressure in your chest. The symptoms could get worse from exercise or the cold.

Spirometry for asthma involves instructing the patient to breathe in and out so that their lung capacity and breathing ability may be measured and compared to industry-standard reference values.

The presence of asthma can be determined with a spirometry test. Additionally, it assists your doctor in deciding on your course of therapy.

The efficacy of your medication can also be determined by a spirometry test. Your medication is working if subsequent spirometry tests reveal that your asthma is under good control. Depending on the results, your doctor may need to modify your medication or give you more medication to get your asthma under control.

Spirometry examinations often cost less than $100. It may be more expensive to skip the test. If you don’t get the test and have asthma, going to the ER for an asthma attack might cost you thousands of dollars.

What is Spirometry COPD?

Airflow is restricted by the illness known as chronic obstructive pulmonary disease COPD. A spirometry test reveals how well a person’s lungs are working and aids in the diagnosis and grading of COPD severity.

Whether a person has symptoms or not, doctors can use it to diagnose COPD in those who have been exposed to risk factors, such as tobacco smoke, and to confirm an airway obstruction, assist set treatment objectives, track therapy response, and forecast outcomes and long-term survival.

Spirometry for COPD is performed using the same technique as for asthma. The forced air inhalation and forced air exhalation rates are measured for a predetermined period and the results are then contrasted with average rates.

Spirometry can help with an early diagnosis of COPD because it detects the disease before any symptoms manifest, claims the research report. A doctor can better tailor a patient’s care the sooner they acquire a diagnosis.

When a patient displays respiratory symptoms and a consistent medical history, a doctor may utilize spirometry to help them make the diagnosis of COPD.

Spirometry can also track a person’s COPD progression.

Together with histories of symptoms and exacerbations, this helps doctors make therapeutic recommendations.

Spirometry helps doctors a lot to find the health problems of a client.

Main Differences Between Spirometry for Asthma and Spirometry COPD

  1. As mentioned the main difference is that spirometry for asthma is the process of using spirometry to determine a person’s asthma status. spirometry for COPD refers to spirometry that is performed to determine if a person has COPD.
  2. On FEV1/ FVC when an asthma episode occurs, the ratio is less than 70%. In the case of COPD, the ratio is under 70%, and it gets worse over time.
  3. Talking about FVC in some cases of asthma, the FVC is decreased. When COPD is present, the FVC is always decreased.
  4. On FEV1 if someone has asthma, their FEV1 increases after receiving bronchodilator therapy. If a person has COPD, the FEV1 does not get better after bronchodilator therapy.
  5. And the last thing to mention is serial spirometry where with asthma, the spirometry results can occasionally change. Spirometry findings with COPD deteriorate over time, which it means became worse over time it is not the same as spirometry for asthma.

References

  1. https://www.indianpediatrics.net/july2003/july-626-632.htm
  2. https://www.nature.com/articles/npjpcrm201659
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