[Primary hyperaldosteronism].

After the age of 45 years more than 50% of the population will suffer from hypertension. The most common etiology is primary hypertension; however, in cases of severe or refractory hypertension, one should always look for secondary causes. Primary hyperaldosteronism will be the most common etiology. We will review the causes of hyperaldosteronism and discuss its diagnosis, algorithms and treatment.