Table II.
Mild toxicity (serum lithium concentration=1.5–2.0 mmol/L |
Lethargy |
Drowsiness |
Coarse hand tremor |
Muscular weakness |
Nausea/vomiting |
Diarrhea |
Moderate toxicity (serum lithium concentration=2.0–2.5 mmol/L) |
Confusion |
Dysarthria |
Nystagmus |
Ataxia |
Myoclonic twitches |
Electrocardiographic changes (flat or inverted T waves) |
Severe toxicity (serum lithium concentration >2.5 mmol/L) |
Grossly impaired consciousness |
Increased deep tendon reflexes |
Seizures |
Syncope |
Renal insufficiency |
Coma |
Death |
Reprinted with permission from Finley et al. 10