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