Sistema renina-angiotensina-aldosterona. Su utilidad clínica

In order to establish the medical effectiveness of determining the plasmatic renin activity (PRA) and the aldosterone, the article focuses on the diagnosis of some secondary hypertensions (vascularrenal hypertension, renin releasing tumours, hypermineralcorticisms and certain infrequent hereditary tubular pathologies), on the analysis of the alterations of potassium metabolism (hypo- and hyperpotassaemia), and on the prognostic and therapeutic evaluation of certain oedematous states (cirrhosis of the liver and nephritic syndrome).