Failure to Monitor and Care Plan Recurrent Hyponatremia
Summary
The facility failed to develop and implement interventions and monitoring for a resident with recurring hyponatremia and repeated hospitalizations. The resident had moderate cognitive impairment and was receiving multiple psychotropic medications, including fluoxetine, mirtazapine, olanzapine, divalproex, and clorazepate dipotassium. An emergency room discharge instruction documented hyponatremia with a sodium level of 128 and directed follow-up with the physician and recheck of sodium because some seizure medications and antidepressants can affect sodium levels. The resident was later hospitalized after a fall with acute on chronic hyponatremia, urinary tract infection, and pneumonia, and was treated with IV normal saline. Hospital documentation later noted syndrome of inappropriate antidiuretic hormone secretion that improved with fluid restriction. Physician orders were written to obtain CMPs, and a progress note later documented a recheck CMP, but there was no documentation that the ordered CMPs were completed; the record showed only one CMP completed later. The resident was hospitalized again with altered mental status and a sodium level of 120, and later hospitalized again with urinary retention, altered mental status, lethargy, and hyponatremia with a sodium level of 125. The resident’s active care plan did not address recurrent hyponatremia, and the active physician orders did not include routine lab monitoring. Staff stated labs were done on readmission and as ordered, but the DON confirmed there were no routine sodium monitoring orders and that the only intervention was monthly IV vitamin infusions. The DON also confirmed the care plan did not address hyponatremia and that ordered sodium checks after hospital discharge and on 5/21/25 were not documented as completed. The nurse practitioner stated the hyponatremia was likely related to psychotropic medications, that the resident’s psychiatric medications should not be adjusted, and that monthly BMP monitoring was later ordered after the concern was discussed.
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