If you parked and walked a long way into the building and were taken in right away, the sudden exercise could cause O2 sat to drop temporarily. Some deep breaths should have returned it to 95+, though. Did they wait and take it again?
40 years of smoking followed by 4 years of vaping including 2 years dropped from 40 a day down to 6 a day, then 2 years not smoking and I see O2 sat in the 95% to 99% range depending on whether I breathe to match my exercise level. If I exercise and don't breathe to match it, mine drops until I start to take in more air. Then, it rises to 98% and 99%.
You haven't been long not smoking, so it will take some time for your lungs to heal. Within a year, you should tell a remarkable difference. That said, most of the sites that list the time line for positive results from no smoking say that it takes 10-15 years for your lungs to return to those of a non-smoker. 5 years should be enough time to make a marked difference. All of us notice big improvements in the first year.
Decades of smoking take time to erase. buy your own pulse oximeter. I bought this one for under $20. If you read the reviews, there's one where a physician compared the readings to his professional equipment and they matched to well that he bought more and uses them in his examing rooms.
Amazon.com: CMS 50-DL Pulse Oximeter with Neck/Wrist cord: Health & Personal Care
Check out the time line for recovery here. It's not instant, but the early benefits are worth quitting.
http://whyquit.com/whyquit/A_Benefits_Time_Table.html
40 years of smoking followed by 4 years of vaping including 2 years dropped from 40 a day down to 6 a day, then 2 years not smoking and I see O2 sat in the 95% to 99% range depending on whether I breathe to match my exercise level. If I exercise and don't breathe to match it, mine drops until I start to take in more air. Then, it rises to 98% and 99%.
You haven't been long not smoking, so it will take some time for your lungs to heal. Within a year, you should tell a remarkable difference. That said, most of the sites that list the time line for positive results from no smoking say that it takes 10-15 years for your lungs to return to those of a non-smoker. 5 years should be enough time to make a marked difference. All of us notice big improvements in the first year.
Decades of smoking take time to erase. buy your own pulse oximeter. I bought this one for under $20. If you read the reviews, there's one where a physician compared the readings to his professional equipment and they matched to well that he bought more and uses them in his examing rooms.
Amazon.com: CMS 50-DL Pulse Oximeter with Neck/Wrist cord: Health & Personal Care
Check out the time line for recovery here. It's not instant, but the early benefits are worth quitting.
http://whyquit.com/whyquit/A_Benefits_Time_Table.html
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