I have COPD along with asthma,my question is this,my oximeter reading is 94,now when I walk from the reception room to the examineing room a total of about 50 feet at a moderate pace after being weighed in then on to the examineing room and the oximeter placed on my finger it will read about 87 but then come up to 94 after sitting a minute or two,I have taken physical therapy and walked on a tread mill for twenty minutes. Now the question is,if I live in new york state and I don't know what the sea level is why do I breath a little harder when I walk that 50 feet distance,a normal pair of lungs this wouldn't bother them at all. Drug wise I am on spiriva/advair 500/50.I also had a mitral valve go bad and had that operated on,I am 70 years old and in my life time I have breathed in a lot of contaminants along with I smoked for 37 years,I quit when I was 55 I have been quit know for 15 years.I can climb stairs but I have to take my time,maybe 4 steps at a time,then rest for a minute or so,then continue on until I get to where I am going.
What you describe suggests that you have chronic obstructive pulmonary disease (COPD) from smoking, even though you quit 15 years ago, and that your oxygen level falls with relatively mild exertion. Whether your oxygen level falls and/or limits your exertion will depend on the speed and distance you walk, and with climbing stairs, the amount of physical work involved, including speed and steepness of the stairs.
That you can walk 20 minutes on a treadmill, the same thing – speed and distance. The key for you, in every instance is to find a speed and stride length that will allow you to keep on walking minute after minute after minute. You do not need supplemental oxygen, at this time, even with exertion, as long as you can walk that much.
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