Abstract

LAS HERAS MOSTEIRO, J.  and  TABOADA TABOADA, M.. Secondary hyponatremia caused by diuretics. Medifam [online]. 2001, vol.11, n.5, pp.109-112. ISSN 1131-5768.

The most important cause of hyponatremia in adults is diuretic´s therapy. Effective use of diuretics by the family doctor, requires knowledge of the pharmacology of each diuretic agent coupled with an understanding of pathophysiology of the patient´s disease. We report a case of 70-years old female who had heart failure class III-IV New York Heart Association (NYHA) secondary to multivalvular cardiomyopathy. She had implanted VVI Medtronic pacemaker for sick-sinus syndrome. Treatment with furosemide, spironolactone, enalapril, digoxine and oral anticoagulant. She presented a clinical pattern of disorientation and a swich-off episode with severe hyponatremia.

Keywords : Diuretics; Hyponatremia; Adverse effects.

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