Functional Classifications of PAH

This classification scale was created by the New York Heart Association (NYHA) to measure the degree of disease severity in patients with heart disease. Healthcare providers often use this same scale to help determine the severity of PAH and the type of treatment for their patients.

NYHA Functional Classification1

Higher functional class=more severe symptoms of PAH

No symptoms with ordinary physical activity.

Symptoms with ordinary activity.

Slight limitation of activity.

Symptoms with less than ordinary activity.

Marked limitation of activity.

Symptoms with any activity or even at rest.

ADCIRCA is indicated for Classes II and III.

Reference: 1. Rubin LJ; American College of Chest Physicians. Diagnosis and management of pulmonary arterial hypertension: ACCP evidence-based clinical practice guidelines. Chest. 2004;126(1 suppl):7S-10S.