A 54-year-old woman with chronic lithium toxicity.

This likely reflects the lack of strong evidence and the heterogeneity of the clinical presentation in patients with lithium toxicity.[4],[7] In general, the patient's clinical status, renal function and serum lithium concentration are considered when deciding whether hemodialysis should be offered. Lithium is a commonly used medication that has a narrow therapeutic index and may lead to important toxicity that can be acute, chronic, or acute on chronic. Because of our patient's neurologic symptoms, electrocardiogram findings and mildly elevated serum lithium level, we diagnosed chronic lithium toxicity. [Extracted from the article]