Mortality
Without treatment: 80-100%
With treatment: 10-30%
Difference between severe thyrotoxicosis and<unk>  is clinical diagnosis
Must empirically treat before laboratory confirmation
Death caused by multi-organ dysfunction, congestive heart failure, respiratory failure, dysrhythmias, DIC, hypoxic brain injury, or sepsis 
Without treatment: 80-100%
With treatment: 10-30%
Must empirically treat before laboratory confirmation
Death caused by multi-organ dysfunction, congestive heart failure, respiratory failure, dysrhythmias, DIC, hypoxic brain injury, or sepsis 
Long-standing untreated hyperthyroidism
Infection
Trauma
Recent<unk>  manipulation (physical or surgical)
Burns
Surgery (non-thyroid)
DKA
Withdrawal of<unk>  medication
Lithium withdrawal
Iodine load (contrast media or amiodarone)
MI
CVA
PE
Interferon-α treatment
Recent parturition
Molar pregnancy
Hypoglycemia
Hyperemesis gravidarum 
Toxemia of pregnancy 
Myxedema coma << hypothyroidism < euthyroid > hyperthyroidism >><unk>
Thyroid storm
Sympathomimetic ingestion
Adrenal crisis
Atherosclerosis
Cushing's syndrome
Aortic regurgitation
Diabetic ketoacidosis
Thyrotoxicosis