Workplace Guide to Lung Function Tests

Here at Assist Group, we believe that a healthy workplace is a productive workplace. One key aspect of maintaining health is ensuring good lung function.

In this blog, let’s take a look at what lung function tests are, the health issues they address, and their importance in your workplace.

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First Up, Lung Health

Good lung health is essential for overall well-being. It may sound obvious, but they play a key role in supplying oxygen to the body and removing carbon dioxide.

Maintaining healthy lungs involves avoiding harmful substances like tobacco smoke, pollutants, and allergens, which may damage lung tissue and lead to chronic health conditions.

When it comes to lung health in the workplace, several professions have higher risk levels. If your work environment is dusty, such as in construction, mining and quarrying, manufacturing, or tunnelling, or if you are exposed to fumes or gases, then lung health becomes more of an issue.

Workplace health and safety legislation requires health monitoring for workers who come into contact with hazardous agents.

What Is A Lung Function Test?

A lung function test, also known as a respiratory function test, measures how well your lungs work. It evaluates:

• How much air your lungs can hold
• How quickly you can move air in and out of your lungs
• How well your lungs add oxygen to and remove carbon dioxide from your blood.

It is a simple yet effective way to detect, monitor, and manage conditions like asthma, chronic obstructive pulmonary disease (COPD), and occupational lung diseases.

Using a device called a spirometer, the test measures:

• Forced Vital Capacity (FVC). The total amount of air exhaled after a deep breath.
• Forced Expiratory Volume (FEV1). The amount of air exhaled in the first second of a forced breath.
• FEV1/FVC Ratio.
• A key indicator of lung health and potential airflow restrictions.

Lung function tests can be done as a stand-alone test or as part of a more comprehensive medical testing program, such as hazardous substances testing or pre-employment medical testing.

Assist Group is your trusted partner when it comes to health testing, medical testing, and occupational health services.

 > Take a look at our comprehensive range of testing services here.

What Do Lung Function Tests Test For?

Lung function tests don’t directly diagnose a condition on their own. Instead, they contribute to the overall diagnosis, which also considers symptoms, signs, and medical history.

Tests like spirometry, gas diffusion, and lung volume measurements can help determine the presence of obstructive lung diseases such as COPD, asthma, or bronchiectasis.

They can also identify restrictive lung diseases, like interstitial lung diseases such as asbestosis or pulmonary fibrosis.

Is a Spirometry Test The Same as a Lung Function Test?

A spirometry test is a type of lung function test, but not all lung function tests are spirometry tests.

Spirometry specifically measures airflow and lung capacity, helping diagnose conditions like asthma and COPD. However, lung function tests (also called pulmonary function tests, or PFTs) include a broader range of assessments, such as:

• Gas diffusion tests (measuring how well oxygen moves from the lungs to the blood)
• Body plethysmography (measuring lung volume and airway resistance)
• Peak flow tests (assessing how fast a person can exhale)

So, while spirometry is a lung function test, it is just one method among several used to evaluate respiratory health.

Industries Where Spirometry Testing is Vital

Certain industries pose a higher risk for respiratory conditions due to workplace exposures. Spirometry tests are particularly important for:

Construction & Mining
Exposure to silica dust, asbestos, and hazardous airborne particles.

Manufacturing & Industrial Work
Frequent contact with chemical fumes and airborne irritants.

Transport & Logistics
Ensuring drivers and machine operators have sufficient lung function for safety.

Healthcare & Emergency Services
Monitoring respiratory health in frontline workers.

So, Why Are Lung Function Tests Important in the Workplace?

Lung function tests are important in the workplace as they help identify any abnormal functioning before the issue becomes more serious. For employers, lung function tests are important as they assist you in identifying any potential workplace hazards that could affect your employees' respiratory health. Additionally they:

• Help to detect early signs of lung disease.
• Ensure you meet your compliance with health regulation obligations.
• Help to maintain employee health and productivity.
• Promote a culture of health and safety.

How Can You Implement a Lung Function Testing Program?

You can partner with Assist Group and we’ll schedule and perform regular testing for at-risk employees.

Choose us for:

• Same-day or next-day appointments available
• Fast & reliable results
• Since 1986, our health screenings have helped prevent serious injuries for 2,000+ employees, significantly reducing Workers Compensation costs for businesses.
• With our expertise, capabilities, and commitment to workplace health, Assist Group is the trusted choice for employee health screening.

Frequently Asked Questions