From: The Hoover's Sign of Pulmonary Disease: Molecular Basis and Clinical Relevance
Physical findings | Pursed lip breathing |
---|---|
 | Intercostal retraction (Hoover Sign) |
 | Accessory muscle use |
 | Cyanosis |
 | Hoover's sign? |
Laboratory Parameters | Pulmonary function (FEV1 and FEV1/FVC) |
 | Peak Expiratory Flow Rate |
 | Hypoxemia |