Table 1 Diagnostic criteria for thyroid storm of Japan Thyroid Association and Japan Endocrine Society
From: Thyroid storm associated with Graves' disease covered by diabetic ketoacidosis: A case report
Essential criterion | Presence of thyrotoxicosis (elevation of free T3 and/or T4) | |
|---|---|---|
Symptoms | 1. | Symptoms involving the central nervous system |
|  | 2. | Fever (≥ 38°C) |
|  | 3. | Tachycardia (≥ 130/min) |
| Â | 4. | Symptoms of heart failure |
| Â | 5. | Gastrointestinal symptoms |
Cases definitely diagnosed as having thyroid storm | ||
   Satisfaction of the essential criterion and at least one of the following criteria | ||
| Â | a. | Central nervous system symptoms + one or more of the other systems, or |
| Â | b. | 3 or more symptoms other than those of central nervous system. |
   Cases suspected of having thyroid storm | ||
| Â | a. | Satisfaction of essential criterion + 2 symptoms other than those of the central nervous system, or |
| Â | b. | Satisfaction of essential criterion is not confirmed, but positive history of thyroid disease + exophthalmos + goiter are present and criterion a or b for definite cases is satisfied. |