[Pulmonary hypertension: diagnosis and clinical classification].

Pulmonary hypertension (PH) is a complex disease with limiting the physical activity, life expectancy significantly and requires multidisciplinary approach. In recent years, a dramatic increase was observed in the understanding and management of the disease. The first clinical classification of PH was made in Evian (France) in 1973 and the last clinical classification of PH was made in Dana Point (USA) in 2008. Diagnosis and clinical classification of PH is discussed in this review.