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Spirometry is a common breathing test used to evaluate how well the lungs are functioning. This test measures how much air a person can breathe in and out and how quickly the air moves through the airways.
At Certified Allergy & Asthma Consultants, spirometry testing is used to help evaluate patients throughout New York’s Capital Region who experience symptoms such as coughing, wheezing, shortness of breath, or chest tightness.
Spirometry plays an important role in diagnosing and managing respiratory conditions such as asthma and other airway diseases. The test provides objective measurements that help physicians understand how well the lungs are working and whether airways may be narrowed or inflamed.
Because the test is quick, noninvasive, and performed in the office, spirometry is often an important part of evaluating respiratory symptoms and monitoring treatment progress.
Spirometry is a type of pulmonary function test that measures the volume of air a person can inhale and exhale and the speed at which the air is expelled from the lungs.
The test is performed using a device called a spirometer, which records breathing measurements while the patient breathes through a mouthpiece.
During the test, the patient takes a deep breath and then exhales forcefully into the device. The spirometer measures how much air is exhaled and how quickly it leaves the lungs.
Spirometry helps physicians evaluate lung function and detect conditions that affect airflow in the lungs.
Spirometry provides several important measurements that help physicians evaluate lung health.
Key measurements include:
This ratio compares how much air is exhaled in the first second to the total amount of air exhaled, helping identify airflow obstruction.
These measurements help physicians determine whether airflow is normal or restricted and whether airway obstruction may be present.
Spirometry is commonly used to diagnose and monitor respiratory conditions that affect airflow in the lungs.
Spirometry is also used to monitor how well treatments are working and whether lung function improves with therapy.
Spirometry is a simple and noninvasive test that usually takes about 15–30 minutes and can be performed in a physician’s office.
During the test:
Before spirometry testing, your physician may provide instructions to ensure accurate results.
Preparation may include:
Your care team will provide specific instructions prior to the test if any preparation is needed.
Spirometry provides valuable information about lung function and airway health.
Because spirometry provides objective measurements, it plays an important role in managing chronic respiratory conditions.

Patients trust Certified Allergy & Asthma Consultants for comprehensive evaluation of respiratory and allergic conditions.
Our specialists use spirometry testing to:
With accurate testing and expert care, many patients can achieve improved symptom control and better long-term respiratory health.