mMRC dyspnea scale

Modified Medical Research Council (mMRC) dyspnea scale is used to assess the severity of breathlessness in COPD patients.


Grade

Description

0

I only get breathless with strenuous exercise.

1

I get short of breath when hurrying on level ground 

or walking up a slight hill.

2

I walk slower than people of the same age on level

ground because of breathlessness, 

or I have to stop for breath when walking at my own

pace on the level.

3

I stop for breath after walking about 100 yards 

or after a few minutes on level ground.

4

I am too breathless to leave the house 

or I am breathless when dressing or undressing.

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