Epinephrine is the a hormone and neurotransmiter. It is produced by the adrenal gland an is a fight-or-flight catecholamine.. So is norepinephrine. In biochemistry, the prefix nor means that norepinephrine is an analog of epinephrine. They function quite differently in the body. epinephrine is most commonly thought of in terms of t effect on the sympathetic nervous system-increasing heart rate, increasing blood pressure, hyper alertness, etc.
Call a doctor immediately if you suspect you or someone you know has a ruptured eardrum and any of the following occur: 1  An uncontrolled spinning sensation. 2  Difficulty walking. 3  An abrupt change in hearing.  A change in the ability to taste 1  foods. You accidentally put your ear under water.
Because it is so thin, the eardrum can be ruptured or perforated, exposing the ear to damage or infection. The main causes of perforated eardrum are infection of the middle ear or trauma to the ear or head. Symptoms and signs of perforated eardrum include. ear pain, vertigo or dizziness, hearing changes or hearing loss, ringing in your ears (tinnitus), or. fluid or blood draining from the ear.