Epiglottitis is an inflammation of the epiglottis â the flap at the base of the tongue that keeps food from going into the trachea (windpipe).f epiglottitis is suspected, attempts to visualise the epiglottis using a tongue depressor are strongly discouraged for this reason; therefore, diagnosis is made on basis of direct fibreoptic laryngoscopy carried out in controlled environment like an operating room.
Re-induction chemotherapy. This stage is used to treat ALL if it has come back after treatment. It is also used if a person still has signs of ALL after remission induction therapy.
Last reviewed on RxList 10/19/2015. Lexiscan (regadenoson) injection is a stress agent that works by increasing blood flow in the arteries of the heart given in preparation for a radiologic (x-ray) examination of blood flow through the heart to test for coronary artery disease.