Lung Function & Asthma Breathing Tests

Expert breathing tests for allergy health in London. Our cutting-edge diagnostics identify asthma, allergic lung inflammation, and other conditions to guide your personalised care plan.
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What are breathing tests?

Breathing tests are essential for assessing lung health and diagnosing conditions like asthma or allergic lung inflammation. We perform two key tests: spirometry and exhaled nitric oxide (ENo). These diagnostics provide a comprehensive view of respiratory function and guide your tailored care plan.

Spirometry

This test evaluates lung function by measuring airflow. Patients take three quick, forceful breaths into a specialised device. Afterward, a dose of salbutamol (Ventolin inhaler) is administered to assess potential improvement.

The test looks for signs of asthma or restrictions and obstructions in the lungs. Respiratory health is particularly important for patients who have experienced anaphylaxis or severe asthma attacks.

The Spirometry Test is also an essential prerequisite to undergoing supervised feeds in clinic. We may also request repeat tests in subsequent follow-up appointments or if new respiratory problems or symptoms occur.

Exhaled Nitric Oxide (ENo) test

This test identifies allergic inflammation in the lungs. Patients take a deep breath and exhale steadily for 10 seconds. This enables us to see if there is any allergic inflammation currently in the lungs.

Both tests are non-invasive, take approximately 15 minutes, and are typically performed on children aged five and older. These tests are not commonly or reliably used on children under the age of five.

These tests are particularly important for patients with a history of severe allergies, asthma, or related respiratory symptoms.

Why lung function tests are important

These simple breathing tests provide crucial information about your or your child's respiratory health. They help us establish a baseline for new patients, monitor breathing function in those with previous allergic reactions, and better understand respiratory symptoms like asthma or hay fever. For both children and adults, these tests guide our treatment approach and help us track improvements in your breathing over time, ensuring you receive the most effective personalised care.

What to expect during your visit

Before the test

For children aged 5–10 years: We explain the test using relatable terms like 'blowing out birthday candles' or 'breathing out gently into a tube'
For children above the age of ten, the tests can typically be completed quickly and easily
For visual aid, videos can be found online to show your child how the test will be performed
For children, bring favourite toys or tablets for distraction
Note: Please inform us of any cardiac conditions or salbutamol intolerances before your test

After your test

Once your results are ready, your consultant will:
Review your complete test results
Develop a personalised treatment plan
Explain the findings in clear, understandable terms
Answer any questions you may have about the results or next steps

Safety and quality standards

We maintain strict protocols to ensure safe, accurate testing:
Individual assessment of testing needs
Continuous monitoring throughout the procedure
Expert interpretation by your consultant

Why choose us for breathing tests?

Evidence-based treatments tailored to each patient
Cutting-edge research background
Comprehensive allergy assessment
Age-appropriate care approaches
Experienced specialist team
Flexible appointment times to suit work and school schedules
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Pioneering research, personalised care

Our approach combines our team's groundbreaking research into the causes and treatment of allergies with deeply personalised care. As global leaders in allergy prevention and treatment, we're dedicated to transforming lives through early intervention and innovative therapies. From food allergies and asthma to eczema and anaphylaxis, we provide evidence-based treatments tailored to each patient's needs.
More About the LACK Clinic
Eczema
“As far as our family is concerned, Professor Lack is a miracle worker. We trust his advice implicitly and are very lucky to have him as our daughter’s specialist.”
Eczema
28th Sept 2024
Eczema
verified patient

Common questions about allergy testing

What is a lung function test?
A lung function test evaluates how well your lungs are working by measuring airflow, lung capacity, and other key indicators. These tests provide valuable insights into your respiratory health, guiding accurate diagnoses and treatment plans. Respiratory health is of utmost importance, particularly with patients who have experienced anaphylaxis or severe asthma attacks.
Why do I need a lung function test?
Lung function tests are essential for diagnosing and managing respiratory issues, especially if you have symptoms like wheezing, shortness of breath, or a history of severe allergies. They help detect asthma, assess allergic lung inflammation, and establish a baseline for treatment.All new patients undergo these tests as part of an obligatory baseline assessment. Patients with a history of anaphylaxis or serious food allergies will also need to retake these tests periodically to monitor respiratory function.
How do I prepare for a lung function test?

Preparation for a lung function test is straightforward:

  • Wear loose, comfortable clothing to allow for deep breathing.
  • Inform us of any medications you're taking, including inhalers or antihistamines.
  • For children aged 5–10, explaining the process in simple terms like "blowing out candles" or "breathing into a tube" can help ease any anxiety.
  • For a visual aid, videos can be found online to show your child how the test will be performed.
What does a lung function test measure?

Lung function tests measure several key aspects of your respiratory health, including:

  • Airflow: To detect obstructions or restrictions in your lungs, as seen in asthma.
  • Lung capacity: To assess how much air your lungs can hold and how effectively they function.
  • Allergic inflammation: Using the exhaled nitric oxide (ENo) test, we identify inflammation caused by allergic responses.

These metrics help us diagnose conditions, track changes over time, and tailor treatment to your needs.

Can children have lung function tests?
Yes, children aged five and older can reliably undergo lung function tests. We specialise in making these tests as simple and stress-free as possible for younger patients. Our experienced team uses child-friendly explanations and techniques to ensure comfort during the process.

Children above the age of ten should be able to complete the tests quickly and easily. For children under five, alternative methods may be used to assess respiratory health, as these tests are not commonly or reliably used with very young children.

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Ready to book your breathing tests?

Whether you're seeking answers about persistent symptoms or looking for expert care for your child, we're ready to help. Book a consultation with our specialists and take the first step towards understanding and managing your allergies effectively.
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