Doug's Sounding Board


Airflow and me

The allergist prescribed to be an air-flow meter (you really need a prescription to get one) so figure out how bad my exercise induced asthma gets. I haven’t started tracking anything like that yet, but it my few times using it I’ve learned that when everything feels free and clear I can exhale at a rate of 750-780 liters/minute (good for my age and height is 650). When I start feeling slightly asthmatic that drops down to 500-550 liters/minute which is a reduction of 1/3!

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