| peak flow meter |
a small hand-held device that measures how fast air comes out of the lungs when a person exhales forcefully. This measurement is called a peak expiratory flow (PEF) and is measured in liters per minute (lpm). A person's PEF may drop hours or even days before asthma symptoms are noticeable. Readings from the meter can help the patient recognize early changes that may be signs of worsening asthma. ...
출처: my.webmd.com/content/article/45/1660_51087.htm
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| peak expiratory flow |
Take as deep a breath as possible, then exhale as forcefully as possible into the mouthpiece of a peak flow meter. Repeat three times.
출처: www.womenandinfants.com/body.cfm
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| peak |
The point in the business cycle when an economic expansion reaches its highest point before turning down. Contrasts with trough.
출처: www-personal.umich.edu/~alandear/glossary/p.html
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| peak |
highest point, as in: They reached the peak of the mountain by midday.
출처: www.business-words.com/dictionary/P_1.html
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| peak |
The upper, aft corner of a four-sided, gaff rigged, fore and aft sail.
출처: collections.ic.gc.ca/vessels/terms.htm
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