 [ Symptoms ] will hydrogen peroxide hurt inner ear  my ear has been hurting for weeks now and i have been to my ent doctor but he does not know why it is hurting so bad i had someone tell me to put several drops of hydrogen peroxide in my ear but i was concerned and wanted a professional oppinion i am getting to the point i will try anything but i do not want to cause any damage to my hearing my doctor did say it was not infected and not tmj i have not ran a fever it does throb and hurts deep [ Disease ] interesting question and one that i have wondered about at times myself the ecg is short for electrocardiogram while ekg is short for the original german kardiogram word describing this test that is commonly used by doctors to examine the electrical system of the heart wikipedia has some nice background and medical history on this if you are interested in the topic <link>