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Pulmonary Arterial Hypertension Functional Classification

Purpose: To determine the functional impairment of a patient with pulmonary arterial hypertension.

Description

The disability of a patient with pulmonary arterial hypertension can be graded based on the level of functional impairment. This scale is a modification of the New York Heart Association (NYHA) functional classification for patients with heart disease. The scale was proposed at the World Symposium on Primary Pulmonary Hypertension in Evian, France.


 

Patient selection: pulmonary arterial hypertension

 

Parameters:

(1) limits on physical activity

(2) symptoms

(3) comfort at rest

(4) signs of right heart failure

 

Symptoms - one or more of the following:

(1) undue dyspnea

(2) fatigue

(3) chest pain

(4) near syncope

Limitations on Physical Activity

Comfort at Rest

Symptoms

Signs of Right Heart Failure

Class

none

yes

none with ordinary activities

none

I

slight

yes

with ordinary physical activity

none

II

marked

yes

with less than ordinary physical activity

none

III

bedridden or chair bound

no

at rest, made worse by any activity

present

IV

 


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Specialty

Objective

ICD-10