Viral meningitis is common and contagious, but it is rarely serious or fatal and does not require antibiotics. The more serious meningococcal bacteria are the leading cause of meningitis in adolescents ages 11 to17, and while theyâre rare, they can be fatal.
Test Overview. A tonometry test measures the pressure inside your eye, which is called intraocular pressure (IOP). This test is used to check for glaucoma, an eye disease that can cause blindness by damaging the nerve in the back of the eye (optic nerve ).
A measurement of how much iodine the thyroid gland can collect) via a radioactive iodine uptake (RAIU) test and thyroid scan (a thyroid scan shows how the iodine is distributed throughout the thyroid gland) can be useful in determining the cause of hyperthyroidism and ultimately its treatment.