system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 62-year-old female presents with complaint of chronic productive cough for the last 4 months. She states that she has had 4-5 month periods of similar symptoms over the past several years. She has never smoked, but she reports significant exposure to second-hand smoke in her home. She denies any fevers, reporting only occasional shortness of breath and a persistent cough where she frequently expectorates thick, white sputum. Vital signs are as follows: T 37.1 C, HR 88, BP 136/88, RR 18, O2 sat 94% on room air. Physical exam is significant for bilateral end-expiratory wheezes, a blue tint to the patient's lips and mucous membranes of the mouth, and a barrel chest. Which of the following sets of results would be expected on pulmonary function testing in this patient?
assistant
Decreased FEV1, Decreased FEV1/FVC ratio, Increased TLC, Normal DLCO