At surgery you find normal air cells throughout the mastoid cavity with the exception of a few infected cells at the very tip of the mastoid. He does well post op. and brings you a cheesecake. The audio is the same. He does well post op. and brings you a box of chocolates. This includes patients who have a previously placed PE tube.
Drops come in suspension and solution form.
Pseudomonas aeruginosa is the bug here and it does not do well in an acidic environment. That is why many swimmers use half-strength vinegar for prevention. Remember the sine qua non of otitis externa is pain on traction of the pinna. If the EAC swells shut, we insert a small sponge which wicks the drops down into the ear canal. As the stratum corneum desquamates off of a retracted pars flaccida, sometimes it cannot easily reach the external auditory canal.