Cardio Bites for Dogs Zesty Paws A 33 Year Old Woman With Altered Mental Status and Elevated Ammonia Level CHEST Levocarnitine Queensland Poisons Information Centre The Effect of Carnitine Supplementation on Hyperammonemia and Carnitine Deficiency Treated with Valproic Acid in a Psychiatric Setting Innovations in Clinical Neuroscience Valproic Acid Toxicity When the calmer becomes the culprit In the ICU, some tox cases whisper and some unravel like a metabolic domino cascade. Valproate toxicity belongs to the latter.