Common questions / 01/12/2019

Can you have asthma with good peak flow?

Your personal best peak flow number is the highest peak flow number you have over a two- to three-week period when your asthma is under good control. Good control is when you feel good and do not have any asthma symptoms.

What is a good peak flow reading for asthma?

80 to 100 percent of your usual or “normal” peak flow rate signals all clear. A reading in this zone means that your asthma is under reasonably good control.

What is a good peak flow reading for a child?

Average peak flow rate for healthy children and teenagers

Height in inches	Average peak flow	Yellow Zone 50-80% of average peak flow
44	160	80 – 128
45	173	87 – 139
46	187	94 – 150
47	200	100 – 160

What happens to peak flow in asthma?

Peak flow measurement using a peak flow meter is useful for people with asthma. During an asthma flare-up, the large airways in the lungs slowly begin to narrow. This slows the speed of air moving through the lungs. A peak flow meter can help show the narrowing of the airways well before an asthma attack happens.

Is 400 a good peak flow?

Peak expiratory flow (PEF) is measured in litres per minute. Normal adult peak flow scores range between around 400 and 700 litres per minute, although scores in older women can be lower and still be normal. The most important thing is whether your score is normal for you.

What is a good peak flow reading for a 7 year old?

a child who is between 6 and 15 years of age and 4’7″ (140cm or 1.40m) tall, to have an average peak flow of 254 litres per minute.

Whats a good peak flow number?

Which is the best peak flow for asthma?

My best peak flow so far (and I’m still doing the regular readings for the asthma nurse to diagnose) is 410. That is an evening reading when it should be at its best anyway. I’ve had a run of really good days and have been able to get on and do most things without any symptoms.

Is it possible to have asthma and maintaim?

Hi, it is possible to be having asthma issues and maintaim a good peak flow for a while. Peak flow reflects how clear the larger airways are. You could be having issues in the smaller airways. The presence of mucous would indicate that something is probably going on.

Why do I feel out of breath when I have asthma?

My Peak Flow is my personal best, but I feel out of breath and the bronchodilator only gives me short term relief. My doctor also suggested maybe “virus” but it feels like it has gone on too long without any other viral symptoms. (I am not pregnant, though.) I have this problem a lot!

Why is my wife breathless and uncomfortable but peak?

Shes been ill for months. Pregnancy seems to have made it worse. Stupid consultant is now saying that because her peak flow is OK (400 I think) then her asthma is ok. As such it must be a virus. Nice one – for 2 months !!!! Hi, I was wondering if your wife ever found out what was wrong?

When to take peak flow readings for asthma?

To find your personal best peak flow number, take peak flow readings: Twice a day for two to three weeks when asthma is in good control. At the same time in the morning and in the early evening. As instructed by your doctor or asthma care provider.

How does lying down help with asthma symptoms?

“Theoretically, sitting or lying [down] reduces your energy expenditure and therefore reduces the need for oxygen,” Dr. Casciari says. For many people, this makes it easier for your lungs to get enough air to breathe comfortably.