Under-diagnosed COPD?

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  • 5/25/2022
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Ethan-038422
Ethan-038422 2 years ago

I'm a 40 years male, smoker, I have been suffering from shortness of breath and racing heart rate issue since 3 months ago, visited doctors multiple times and they kept checking my heart and confirmed my heart is healthy, I insisted on testing my lung and so they did PFT and result is shown below. Pulmonologist diagnosed asthma, and ensured me that this is not COPD, because I don't have chronic cough, and the CT scan I did 8 months ago didn't show emphysema.

I read through lots of documents, Post-BD of FEV1/FVC < LLN (75% for me) is considered as COPD, and my bronchodilator reversibility testing is 10% and 400ml increase, whic does not meet the criteria of 12% AND 200ml.

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FVC 5.73L(Pre-BD) 5.75L(Post-BD)

FVC(%Predicted) 118%(Pre-BD) 118%(Post-BD)

FEV1 3.81L(Pre-BD) 4.2L(Post-BD)

FEV1(%Predicted) 94%(Pre-BD) 104%(Post-BD)

FEV1/FVC 66%(Pre-BD) 73%(Post-BD)

FEF25-75% 2.41L(Pre-BD) 3.25L(Post-BD)

FEF25-75%(%Predicted) 57%(Pre-BD) 76%(Post-BD)

RV 2.09L

RV(%Predicted) 105%

TLC 7.56L

TLC(%Predicted) 105%

RV/TLC ratio 28%

DLCO 30.92

DLCO(%Predicted) 96%

VA 7.05L

VA(%Predicted) 102%

Kco 4.39

Kco(%Predicted) 93%

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    Under-diagnosed COPD?

    Ethan-038422
    Ethan-038422 2 years ago
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