COPD Physical Exam Likelihood Ratios Barrel Chest - LR 1.5 Pursed Lip Breathing - LR 2.7 Reduced breath sounds - LR 3.5 Hyperresonance of chest - LR 7.3 Subxiphoid cardiac impulse - LR 7.4 Absent cardiac dullness, left lower sternal border - LR 11.8 Early inspiratory crackles - LR 14.6 Dr. Satya Patel, MD @SatyaPatelMD #COPD #PhysicalExam #LikelihoodRatios #LRs #diagnosis #pulmonary
