H/P, surgeries, exercise/nutrition/sleep pattern, abnormal lung sounds, breathing pattern, rate, rhythm, now or ever been short of breath, kussmaul breathing, alteration between deep/shallow, nasal flaring, accessory muscles, any retraction? Nails-clubbing
chronic hypoxemia, cough, infection/inflammation of bronchi, color-cyanotic, increased amounts of desaturation or decreased hemoglobin, hypercapnia- increased CO2, hypoxema- decreased oxygen of arterial blood
allergens, pollutants, chemicals, infections, meds- aspirin, nsaid, beta, ace, food additives, exercise, cold air, hormones, GERD, stress, occupational wheezing (unless severe) cough, dyspnea, chest tightness, accessory muscle use, prolonged expiration, increased HR, increased RR, anxiety, fatigue, increased eosinophils.
Expiration- 1-3 seconds, 1-4 seconds, 3-4x longer