A thyroid storm is an exacerbation of hyperthyroidism in people with untreated or poorly treated hyperthyroidism. A thyroid storm is most often seen in a hyperthyroid patient with intercurrent illness, trauma or emergency surgery.
The hallmark symptoms of a thyroid storm is a fever which can go as high as 40.5 - 41.1 C (105 - 106 F). Symptoms of a thyroid storm are severe and complications include fever, dehydration, rapid heart rate, irregular heart beat, nausea, vomiting, diarrhea, weakness, confusion, disorientation, heart failure, death.
You may see a wide or high pulse pressure. Pulse pressure is normally around 40mmHg. Eg: 120/80 = 40, enlarged thyroid gland, exophthalmos (protruding eyes). A thyroid storm is a life threatening medical emergency and needs to be treated before before all confirmatory diagnostic tests are performed.
An amino acid called L-carnitine has been shown to inhibit thyroid activity and may help prevent the possible lethal outcome of a thyroid storm. L-carnitine can be take alone or with anti-thyroid medication.
Thyroid storm is/can be a life threatening situation, with the symptoms listed by Red_Star... thyroid storm requires emergency treatment. If you or someone you know may be experiencing thyroid storm, you need to call 911 or go immediately to the nearest ER.
Thank you for your informative answer.