Thyroid storm is an abrupt exacerbation of hyperthyroidism caused by sudden release of thyroid hormone (T4) into circulation by accident or an otherwise clinical presentation. Clinical symptoms mimic malignant hyperthermia. There is tachycardia, dehydration, hyperthermia and shock. This would be high on the list of possible causes due to the sudden loss of memory, the use of multiple medications and the solitary situation.