What is a normal peak flow percentage?

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 if my peak flow reading is low?

If you get a peak flow score that’s lower than your best score, it can act as an early warning sign and help you prevent an asthma attack. It can also help you identify triggers, allergies, or infections that could be making your asthma worse.

What does a peak flow reading of 400 mean?

The taller a person is the higher their peak flow. The highest peak flow reading for an individual occurs between the age of 30-40 years. A reading of 400- 600 l/min is considered normal. An individual suffering with asthma would have a lower reading of 200-400 l/min.

What time of day is peak flow best?

You should measure your peak flow in the morning and evening before taking your inhalers or as advised by your doctor or nurse. Peak flow changes throughout the day and it can be slightly lower in the morning than the evening.

Is a peak flow of 650 good?

Why do asthmatics have a weak immune system?

Asthma and other respiratory diseases are often linked to the immune system and inflammation. This is because the immune system is thought to be a regulator of asthma and airways inflammation by producing too many immune factors in response to a stimuli that should not cause such a reaction.

How old do you have to be to use peak flow meter?

When peak flow is being monitored regularly, the results may be recorded on a peak flow chart. It is important to use the same peak flow meter every time. Peak flow monitoring is not recommended for children under 12 years.

Is there a printable peak flow chart template?

The Printable Blank Peak Flow Chart is an easy way to get started. How Do I Use These Peak Flow Charts? Parents and guardians of asthmatic children will want to have a peak flow tracking chart as well as a chart for the various flow rates for different genders at different ages and height.

Are there different types of peak flow meters?

Peak flow meters come in two ranges to measure the air pushed out of your lungs. A low-range peak flow meter is for small children, and a standard-range peak flow meter is for older children, teenagers and adults. An adult has much larger airways than a child and needs the larger range. There are several types of peak flow meters available.

Where do I find the peak flow number?

This peak flow number is recorded on a tracking chart. Some charts are designed to be used within a single day, and others track daily tests over a month or several months (short term vs. long-term monitoring).