What is "normal" breathing measured in? And what is the device called?!


Question: What is "normal" breathing measured in? And what is the device called?
I was at my physician's office, and they had me blow into a device to measure the amount that I exhaled.
I didn't blow correctly the first time, since I didn't realize they wanted me to blow in a "sharp" manner (e.g. strong and quick exhale).
They took 3 readings, which averaged out to 565-570 ... and I wasn't sure what the units of measurement were. Although they said that this was well within range.
I'd ask my physician, but I'm sure they would rather focus on the patients in the office now, as opposed to asking what might be a silly question.

What is the device called, which I blew into? It seemed to work kind of like a tire pressure gauge with no electronic parts and not attached to anything else.

Answers:

The devise to blew into in called "Peak - Flow Meter" and measure your air flow in terms of liters. The
Peak Flow Meter is often used in the emergency room to access diseases such as asthma.Normal
values are based on age, sexual gender, Height and race. If a person is having an asthmatic problem,
a pre-medicine value may be taken and after the medicine has been taken, another post-medicine value
will be compared to gauge the medicine effectiveness. The value is express in total liters per minute.

er experience in respiratory therapy.



Spirometer.




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