Significant WOB - Work of Breathing
- Paradoxical in-draw of skin during inspiration (intracoastal muscle)
- Tracheal tugging
- Accessory muscle use
- Atrophy and hypertrophy of chest muscles
- Abdominal breathing (Kussmual Respiration)
- Pursed lip breathing
- Tripod position
- Adventitious sounds on auscultation