True, This 63 yo female patient is in the severely obese BMI range., There is good forced spirometry technique., From what I can see, there is good relaxed VC technique., VCs are repeatable, as the top two are within 150mls., FEV1s are repeatable, as the top two are within 150mls., FVCs are repeatable, as the top two are within 150mls., PEFs are repeatable, as the top 3 are within 40l/min., I will use the FEV1/VC max %, which shows 48.75%, SR -3.48, There is evidence of obstruction as the ratio is severley reduced (following SR), PEF is mildly reduced., FEV1 is moderately reduced., FVC is normal., VC max is normal, proving that there is no restrictive element in this picture too., This patient has more obstruction present in middle and smaller airways., Overall, this result shows moderate obstruction., False, This 63 yo female patient is in the obese BMI range., There are issues with the forced spirometry technique., I can not see anything to suggest good or bad relaxed VC technique., VCs are not repeatable., FEV1s are not repeatable., FVCs are not repeatable., PEFs are not repeatable., I will use the FEV1/FVC %, which shows 50.88%, SR -3.29, There is evidence of restriction as the ratio is severley reduced (following SR), PEF is normal., FEV1 is moderately severley reduced., FVC is mildly reduced., VC max is elevated suggesting hyperinflation, which fits with an obstructive picture., This patient has more obstruction present in larger and middle airways., Overall, this result shows severe obstruction..

Spirometry interpretation- trace 1

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