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A member asked:
My peak flow reading is 550 litre per minute and 550 second reading is this good ? i don't have asthma
3 doctors weighed in across 2 answers
Coud b normal. Why?: Peak Flows, though quantifiable, are effort dependent. Need to check technique. Also, depends on size. Spirometry does not peak until 30-35. 550 could be ok. Is there a symptom here?
Answered 11/27/2015
3.1k views
Monitoring tool: There are charts to guide us since normal values vary by height, sex, age and race. The peak flow is an excellent tool for monitoring the control of asthma but is not so good at making a diagnosis in just one setting. A spirometry test is better tool for that.
Answered 11/27/2015
1.9k views
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