M.B. is a 65-year-old male who is being admitted from the emergency department to the cardiopulmonary unit with an exacerbation of chronic obstructive pulmonary disease (COPD). M.B. has been using ipratropium (Atrovent) and albuterol (Proventil) metered-dose inhaler for control of his symptoms. His admission vital signs are as follows: blood pressure 158/86 mm Hg, heart rate 118 beat/min, respiratory rate 36 breaths/min, temperature 38.4 C, and SaO2 85%. He is 5 ft 10 in tall, weighs 180 lb, and has a marked barrel chest. Clinical Features COPD Asthma Onset usually less than 40 Long history of smoking History of allergies Clinical symptoms intermittent Smoking not a cause Thick tenacious sputum Progressive worsening of disease Onset usually 40-50 years old Infrequently associated with allergies Dyspnea during exertion Stable disease course Infrequent sputum Slowly progressive clinical symptoms MD orders Clinical Features COPD Asthma Onset usually less than 40 Long history of smoking History of allergies Clinical symptoms intermittent Smoking not a cause Thick tenacious sputum Progressive worsening of disease Onset usually 40-50 years old Infrequently associated with allergies Dyspnea during exertion Stable disease course Infrequent sputum Slowly progressive clinical symptoms.