Review Article
Myxedema Coma: A New Look into an Old Crisis
Table 1
Clinical and laboratory features of myxedema crisis.
| Cardiovascular | Neuropsychiatric |
| Bradycardia and hypotension | Confusion and obtundation | Cardiomegaly | Lethargy | Low cardiac output | Coma | Pericardial effusion | Seizures | Cardiogenic shock | Poor cognitive function | Bundle branch blocks and arrhythmias | Depression and psychosis | Nonspecific ECG findings | |
| Respiratory | Renal and water metabolism |
| Hypoxia | Fluid retention | Hypercarbia | Anasarca | Myxedema of larynx | Hyponatremia | Pleural effusion | Bladder atony | Pneumonia (precipitating factor) | Urine sodium normal or increased | | Urine osmolality > serum osmolality |
| Gastrointestinal | Metabolic |
| Anorexia and nausea | Hypothermia | Abdominal pain | Hypoglycemia | Constipation | | Paralytic ileus | | Toxic megacolon | | Gastric atony | | Neurogenic oropharyngeal dysphagia | |
|
|