dysanapsis in spirometry can be normal or precursor to COPD

• related: PFT and lung functions
• tags: #permanent #pulmonary

• dysanapsis is when there is normal FEV1 but decreased FEV1/FVC ratio
• this could be normal physiologic variant (e.g. tall young male with large FVC)
• could also be precursor to actual COPD¹

Links to this note

• PFT and lung functions
  • dysanapsis in spirometry can be normal or precursor to COPD