This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| resources:pulm:interpreting_pfts [2023/12/20 14:46] – [Interpretation Position] admin | resources:pulm:interpreting_pfts [2024/03/08 18:32] (current) – [Assessing Restriction] admin | ||
|---|---|---|---|
| Line 40: | Line 40: | ||
| === GOLD Criteria === | === GOLD Criteria === | ||
| - | ^ Grade ^ FEV1 Percent Predicted ^ Severity ^ | + | [[https:// | 
| - | |1| ≥80%|Mild| | + | ^ Grade  ^ FEV1 Percent Predicted | 
| - | |2|50% − 79%|Moderate| | + | | 1      | ≥80% | 
| - | |3|30% − 49%|Severe| | + | | 2      | 50% − 79% | 
| - | |4|< | + | | 3      | 30% − 49% | 
| + | | 4      | < | ||
| ==== Bronchodilator Response ==== | ==== Bronchodilator Response ==== | ||
| Line 60: | Line 61: | ||
| - $\Delta FEV1_{volume} >200 mL$ | - $\Delta FEV1_{volume} >200 mL$ | ||
| + | === GOLD Definition === | ||
| + | - Required: | ||
| + | - $BDR >12%$ | ||
| + | - $\Delta FEV1_{volume} \geq 200 mL$ | ||
| + | |||
| + | - Calculation | ||
| + | - $ BDR = \frac{FEV1_{postBD} - FEV1_{preBD}}{FEV1_{preBD}}$ | ||
| + | - **NOTE: this differs from ERS/ATS calculation** | ||
| + | |||
| + | ==== Methacholine Challenge ==== | ||
| + | [[https:// | ||
| + | |||
| + | ===Response Categorization === | ||
| + | {{: | ||
| + | |||
| + | === Testing Protocol === | ||
| + | {{: | ||
| ===== DLCO Severity===== | ===== DLCO Severity===== | ||
| === ERS / ATS Definition === | === ERS / ATS Definition === | ||
| Line 97: | Line 115: | ||
| === GOLD Definition === | === GOLD Definition === | ||
| - | ^ TLC Percent Predicted ^ Severity ^ | + | - Required: | 
| + | - FVC <80% predicted | ||
| + | |||
| + | ^TLC Percent Predicted^Severity^ | ||
| |>70% | Mild | | |>70% | Mild | | ||
| |50%-69% | Moderate | | |50%-69% | Moderate | | ||