Hi Alice–here is some info I found on the web about thyroid storm:
THYROID STORM
I. DEFINITION
A severe life-threatening form of hyperthyroidism; a medical emergency with a mortality rate of 20-40%
II. ETIOLOGY
Trauma or illness may cause this in a previously mildly hyperthyroid patient
III. CLINICAL FINDINGS
Signs and symptoms consistent with thyrotoxicosis (tachycardia,heat intolerance, weight loss) plus fever, confusion, agitation,weakness, and shock
Dianne N