title: [PULMONARY ARTERIAL HYPERTENSION OF UNKNOWN ORIGIN. PRESENTATION OF A CASE].
mesh_terms: D000293:Adolescent; D004562:Electrocardiography; D006801:Humans; D006973:Hypertension; D006976:Hypertension, Pulmonary; D010336:Pathology
keywords: ADOLESCENCE; ELECTROCARDIOGRAPHY; HYPERTENSION, PULMONARY; PATHOLOGY
vernacular_title: HIPERTENSI'ON ARTERIAL PULMONAR DE CAUSA DESCONOCIDA. PRESENTACI'ON DE UN CASO.