Impedance for different electrode types

Measuring cochlear implant (CI) electrode impedances is common in CI programming appointments to measure the integrity of the implant e.g. whether there are any open or short electrodes. This is because impedance measures the flow of current between intra and...

Objective testing for Eustachian tube dysfunction

Eustachian tube dysfunction (ETD) is typically diagnosed based on subjective symptoms and examination leading to wide variation in its diagnosis and management. The search for an objective test has looked at ways of measuring the passage of air through the...