Changes in patient thyroid function tests conducted in the medical intensive care unit during episodes of critical illness are referred to as euthyroid sick syndrome. The euthyroid sick syndrome is also known as the nonthyroidal illness syndrome. Common symptoms of euthyroid sick syndrome include; decreased heart rate, reduced blood pressure, difficulty in breathing, change in mental status, etc.
Euthyroid Sick Syndrome - Causes, Symptoms, Complications, Diagnosis, and Treatment
Euthyroid sick syndrome is a disorder and the blood levels of a few thyroid hormones are altered without any thyroid disorder.