Is the Two-minute Step Test an Alternative to the Six-minute Walk Test in Pulmonary Hypertension?

Inclusion Criteria: * Being diagnosed with pulmonary hypertension (PH) * Being 18 years of age or older * Agreeing to participate in the study Exclusion Criteria: * Acute decompensated heart failure * Orthopedic or neurological disorders that prevent the test from being performed * Patients who have difficulty understanding the instructions given