Ever wonder what those spirometry numbers really mean at the bedside? In this episode of Clinical Adventurer, we break down lung volumes and capacities — from tidal volume to total lung capacity — and why they matter in real-worldcare. You’ll learn how age, size, and even patient positioning can change these values, and how dead space affects the efficiency of every breath. This is the practical, no-fluff guide to lung mechanics that will help you read between thelines of your next pulmonary function report.