my sticking your fingers up your bum hole and timing it for one minute
With a peak flow meter. Normally you need a prescription from your doctor in order to receive one.
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you dont.
You dont
a person with asthma will usually have low and variable peak flow readings over several days. Peak flow readings improve when the narrowed airways are opened up with treatment. Regular peak flow readings can be used to help assess how well treatment is working.
because that is what the peak flow meter reads after you have blown into it
Peak flow is interrupted by heart attack. Peak flow is realized when all systems are go, the action of the unimpeded vessels and the blood being pumped by the heart. When the heart stops as in an attack, this flow is greatly diminished. The injured heart may never again regain the peak flow.
There are many places to purchase peak flow meters. Peak flow meters are used for asthma patients and can usually be found locally at a drugstore or mass retailer.
Use those speacial reading graphs You should have a hydrograph to look at. Look at the curve on this graph, the highest point on this curve is the peak flow. It cannot be calculated, just read off a graph. Peak Flow = Tidal Volume x 60 / I-time
Flow as a result of systolic pressure.
Peak flow.
Peak flow.
smoking affcets the peak flow reading, as the lung performance is affcetd by the high level of mucus on the lungs and airways, when breathing.
Asthma malfunctions may affect measurements and observation for the respiratory system by making it difficult to discern a respiratory issue other than asthma. Because asthma has such control over the respiratory system when a patient is in the throws of an asthma attack, malfunctions and other issues can occur and go unnoticed.
Asthma affects peak flow because it obstructs the breathing which means that you cannot breathe out as much as somebody else. Asthma causses a reduction in peak flow ... this is a solid indicator of how severe your asthma is becoming.... Peak flow is a measurement that is indicative of the patency of the large airways..... If you are having bronchospasm .... The airways are highly wrapped with smooth muscle that contract and decrease the diameter of the airway ... reducing the flow of air that you are capable of exhaling....
FEV1 is the peak during the first second of exhalation only.