Hyponatremia Case Summary

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Mrs. Smith has CHF that is complicated by her additional comorbities of hypertension (HTN), coronary artery disease (CAD), and diabetes mellitus (DM). Her medication and treatment plan must reflect the consideration of these concomitant illnesses. To immediately address her fluid volume overload-associated symptoms, an intravenous diuretic would resolve such symptoms. According to Fenestermacher and Hudson (2016), loop diuretics should be used to improve the fluid balance in patients with class II through IV of the New York Heart Association (NYHA) class; therefore, furosemide should be used, for Mrs. Smith is symptomatic with minimal activity, which places her in the class III classification. Furosemide 40 milligrams intravenous push twice-a-day should be started for this aspect of her CHF. This loop diuretic is better for Mrs. Smith, for it would not increase her risk for hyperkalemia, which is seen with the …show more content…
Smith also has a couple of electrolyte imbalances that must be addressed and corrected to reduce complications. First, Mrs. Smith has hyponatremia. According to Braun, Barstow, and Pyzocha (2015), heart failure-related hyponatremia is a hypervolemic form of hyponatremia that should be treated with diuretic, ACEI, and beta blocker therapy. The diuretic therapy immediately corrects the fluid and hyponatremia imbalance, and the other two medications treat the underlying cause, which is the activation of the renin-angiotensin-aldosterone system from CHF. The hyponatremia will be corrected with the furosemide, lisinopril, and metoprolol therapy. Mrs. Smith’s other electrolyte imbalance is hypomagnesemia. This must be corrected prior to administering furosemide, for furosemide can further deplete Mrs. Smith’s serum magnesium level, which will predispose her to hypomagnesemia-associated dysrhythmias (Fenestermacher & Hudson, 2016). Therefore, Mrs. Smith should also receive one gram of magnesium sulfate intravenously before the administration of