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25min module
Diagnosis of Asthma
with Dr Stephen Gaduzo
This module provides an overview of the diagnosis of asthma, including:
- diagnostic algorithms for asthma,
- spirometry and airflow obstruction, and
- challenge and FeNO testing
No advice given in this module is intended to be a substitute for your own professional judgment in the clinical management of your patients.
Let's get started
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Which of these is the correct order for the diagnostic approach for patients with a high probability of asthma?
Clinical assessment – objective measures – trial of treatment – follow-up review
Trial of treatment – clinical assessment – objective measures – follow-up review
Clinical assessment – trial of treatment – objective measures – follow-up review
Objective measures – follow-up review – trial of treatment – clinical assessment
Correct!
Clinical assessment – trial of treatment – objective measures – follow-up review – Diagnosis is based on clinical assessment, followed by a trial of treatments, objective measures and a follow-up review.
Incorrect!
Not quite. Diagnosis is based on clinical assessment, followed by a trial of treatments, objective measures and a follow-up review.
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Which of these are examples of direct challenge testing?
Methacholine challenge & Mannitol challenge
Histamine challenge & Exercise challenge
Histamine challenge & Methacholine challenge
Mannitol challenge & Histamine challenge
Correct!
Histamine challenge & Methacholine challenge – That’s it! Histamine challenge and Methacholine challenge are examples of direct challenge testing.
Incorrect!
Almost! Only one of these is a form of direct challenge testing.
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Which of the following reasons for referral of a patient to a specialist would also be a "red flag"?
They need further tests which are not available through Primary Care
They’ve had a poor response to asthma treatment
The patient is anxious and requires reassurance
Your assessments show some unexpected clinical findings
Correct!
Your assessments show some unexpected clinical findings – If your tests show something abnormal or unexpected, you may need to refer the patient to the necessary specialist.
Incorrect!
Not quite. This isn’t a red flag to suggest something more serious just yet. Please try again.
Well done, you have successfully completed this module
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