Dyspnea:困难或呼吸困难;shortness of breath.Dyspneais asignof seriousdiseaseof theairway,lungs, or heart. Theonsetof dyspnea should not be ignored; it is reason to seek medicalattention. From Lung Disease/COPD Resources Inoperable Lung Cancer How to Treat COPD Surviving Respiratory Syncytial Virus (RSV) Featured Centers What Are the Best PsA Treatments for You? Understanding Biologics 10 Things People With Depression Wish You Knew Health SolutionsFrom Our Sponsors Shot-Free MS Treatment Your Child and COVID-19