Conversation: The conversation between human and AI assistant.
[|Human|] Dear Doctor, I am 72 and live in a very calm and clean place in the mountains. Whenever I get out in the cold or undertake some light activity outside, I am short of breath. But after the initial struggle I become okay with normal breathing. I use an inhaler and started on a nebulizer whenever there is a need. Otherwise all my reports are okay. Could this be copd as I was smoking for nearly 40 years and now I have stopped for ten years. I would like to have hyour advise
[|AI|]  Respected user, HiT hanks for using Chat Doctor.come have evaluated your query thoroughly.* This has possibilities of different conditions as - asthma - decreased lung compliance or immunity - altitude related - heart related issue as cardiomyopathy, valvular disorder, blockage in coronary arteries - others.* Needs thorough clinical examination, necessary tests in form of laboratory, x-ray chest, pulmonary function test with or without 2D Echo according to the concern of the doctor. Hope this clears your query. Welcome for further guidance. Regards.