| Grade |
Symptoms |
Signs |
| Mild |
Dyspnea on exertion, dry cough
fatigue while moving uphill |
HR (rest) < 90-100 beats/min, RR (rest) <20
beats/min dusky nailbeds or exertional desaturation localized crackles,(if any) |
| Moderate |
Dyspnea at rest, weakness, fatigue on level walking, raspy cough |
HR 90-110 beats/min, RR 16-30 beats/min, cyanotic nail beds, crackles present |
| Severe |
Dyspnea at rest, extreme weakness
orthopnea, productive cough |
HR > 110 beats/min, RR > 30 beats/min, facial & nailbed cyanosis; Bilateral crackles, blood-tinged sputum, stupor, coma. |
|
