Six Minute Walk Test: Functional Evaluation and Prognosis in Heart Failure

The determination of functional capacity is of fundamental importance in monitoring and defining the prognosis of patients with heart failure (HF) may be the six minute walk test (6MWT) is a possibility. The 6MWT was first described by Balke in 1963 [1], since now applied in various clinical conditions, but still without proper standardization. In 2002, the American Thoracic Society (ATS) has established a guideline for performing the 6MWT [2].