Journal
HEART FAILURE REVIEWS
Volume 20, Issue 4, Pages 493-503Publisher
SPRINGER
DOI: 10.1007/s10741-015-9482-y
Keywords
Acid-base disturbances; Congestive heart failure; Electrolyte abnormalities
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Electrolyte and acid-base abnormalities are a frequent and potentially dangerous complication in subjects with congestive heart failure. This may be due either to the pathophysiological alterations present in the heart failure state leading to neurohumoral activation (stimulation of the renin-angiotensin-aldosterone system, sympathoadrenergic stimulation), or to the adverse events of therapy with diuretics, cardiac glycosides, and ACE inhibitors. Subjects with heart failure may show hyponatremia, magnesium, and potassium deficiencies; the latter two play a pivotal role in the development of cardiac arrhythmias. The early identification of these alterations and the knowledge of the pathophysiological mechanisms are very useful for the management of these patients.
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