Pre and Post-Bronchodilator Test (TMC Practice Question)

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The video breaks down a sample TMC practice question about administering a pre and post-bronchodilator test. Do you know what to look for?
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➡️ Question
A pre and post-bronchodilator test was ordered on a 48-year-old female patient. The forced expiratory measurement that was obtained after the bronchodilator shows an increase in the patient’s FEV1 from 60% to 80% of the predicted value. This suggests which of the following?
A. Fixed airway obstruction
B. Reversible airway obstruction
C. Normal diffusion capacity
D. Restrictive process

The information given in the question suggests that the patient’s airway obstruction was somewhat relieved after the bronchodilator was given. We know this because their FEV1 increased from 60% to 80% of the predicted value. Was the increase enough to classify it as a reversible obstruction? Remember: If the patient's pre-to-post values increase by at least 12%, you know that the treatment was effective. So, in this case, there was a 20% increase, which means that; yes, the improvement was enough to interpret the patient’s condition as a reversible airway obstruction.

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This content is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Please consult with a physician with any questions that you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you watch in this video. We strive for 100% accuracy, but errors may occur, and medications, protocols, and treatment methods may change over time.

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⏰TIMESTAMPS
0:00 - Intro
0:36 - Question
1:06 - Explanation
1:53 - Correct Answer

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