Spirometry Simplified: Flow-Volume Loops You Must Know! Quick guide to Obstructive vs Restrictive patterns: 🟥 Obstructive Lung Disease (e.g., C.O.P.D.): F.E.V. one ↓↓↓ F.V.C. ↓ F.E.V. one / F.V.C. ratio

441K views · 5.8K reactions | For those who may need it, here is a short demo video for the foundation loops row of the new Takes the Cake Afghan. It's not difficult, but sometimes because it's not a standard foundation chain, there can be a mental block. :) https://www.ravelry.com/patterns/library/takes-the-cake-afghan | Holland Designs Crochet | Facebook