peak expiratory flow rate presentation

Peak Expiratory
Flow rate
By : Rekha Marbate

Content
Introduction
Purpose of measurement
Steps of measurement
Significance and normal values

Introduction
• The PEFR test is also called peak
flow.
• This test is commonly performed at
home with a handheld device called a
peak flow monitor.
• Measured in L/min

Purpose of
measurement
• Assessment
• Diagnosis
• Management
• Prognosis of disease

Assessment
• PEFR test to be useful, you must keep continuous records of your
flow rate.
• One may not notice patterns that occur when your flow rate is low or
decreasing.
• These patterns can help you prevent your symptoms from worsening
before a full-blown asthma attack.
• The PEFR test can help you discover when you need to adjust your
medication.
• Or it can help determine whether environmental factors or pollutants
are affecting your breathing.

diagnosis
• The PEFR test is a common test that helps to diagnose and
check lung problems, such as:
1. asthma
2. chronic obstructive pulmonary disease (COPD)
3. a transplanted lung that is not working properly

Management
• Medical management :- use of meter dose bronchodilator also
called as asthma pump
• Physiotherapy management -
1. To relieve breathlessness
2. Anxiety
3. Improve breathing rate and depth
4. Remove secretions

Prognosis
• It helps to determine if lung disorder treatments are working to
prevent symptoms from worsening.
• Rate of improvement
• Expected management for further improvement

Steps of
measurement
• Device: Mini Wright's
peak Flow Meter

Patient preparation:
• Loose and comfortable clothing- l tight clothing that might
prevent you from breathing deeply.
• Make sure to stand or sit up straight while you’re taking the
test.

Device preparation
1. Keep marker at 0.
2. Device should be clean and sterilized
3. Check before administration

Procedure:
• Breathe in as deeply as you can.
• Blow into the mouthpiece as quickly and as hard as you can. Do
not put your tongue in front of the mouthpiece.
• Do the test three times.
• Note the highest speed of the three.

Significance and
normal values
• For normal healthy adult of height 5
feet 5 inch,
• Male- > 500 L/min
• Female > 400 L/Min

• Estimate the normative
value as per age,
sex and height
• Categories the values
zone wise

peak expiratory flow rate presentation

peak expiratory flow rate presentation

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