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TRH stimulation test. Prior to the availability of sensitive TSH assays, thyrotropin releasing hormone (TRH) stimulation tests were relied upon for confirming and assessing the degree of suppression in suspected hyperthyroidism. Typically, this stimulation test involves determining basal TSH levels and levels 15 to 30 minutes after an intravenous bolus of TRH.
The Telecommunication Relay Service (TRS) is a free service that enables persons who are deaf, hard-of-hearing or speech-impaired to use their TDD or TTY to place calls to and receive calls from hearing people. It also enables hearing people to call TDD/TTY users. To use TRS dial 711 (just like you would dial 911 for an emergency). Typed messages from a TDD/TTY are transmitted to a communication assistant who voices them to hearing persons. Hearing persons' messages are voiced to the communication assistant who relays them to the TDD/TTY printout or display. Calls can be placed 24 hours a day, seven days a week.