The results may be drawn on a graph to show the variation, e.g. This is usually kept for a period of two weeks. Keeping a diary – sometimes the patient may wish to/ be asked to keep a peak flow diary. If the results vary like this it is likely the patient is not following the right procedure.ĭEMONSTRATE THE TECHNIQUE, AND THEN ASK THE PATIENT TO SHOW YOU – so you know they are doing it correctly. If the reading differ wildly, then you should continue until you have three roughly consistent readings. You should do a minimum of three readings. The patient does not need to do a full expiration.Tell the patient to take a deep breath in, and then make a tight seal around the mouth piece, then blow out as hard and as fast as they can. A peak flow chart is a simple and effective tool used to monitor and manage respiratory conditions, particularly asthma. Measuring your peak flow using this meter is an important part of managing your asthma symptoms and preventing an asthma attack and should form part of your personal asthma action plan2. Also, make the sure patient’s finger does not cover any of the slide scale at all – as sometimes this can create a ‘ spring effect and the slider can zoom off and give a higher reading than the true value. A peak flow meter is an inexpensive, portable, handheld device for people with asthma that is used to measure how well air moves out of your lungs. Make sure the patient’s finger is not covering the meter, as this can block the slider moving up the scale.peak flow number is: You are in the RED ZONE if your peak flow number is: 100 Above 80 Between 50 and 80 Below 50 125 Above 100 Between 65 and 100 Below 65. Position – the patient should be sitting upright or standing PEAK FLOW ZONE CHART PERSONAL BEST PEAK FLOW: GREEN ZONE 80 of your Personal Best Doing well Keep taking your controller medicine. Keeping these records can help you work with your doctor to keep your asthma action plan working.
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