Which abbreviation signifies both ears or bilateral?

The abbreviation that signifies both ears or bilateral is "AU," which stands for "auris utera." This term is commonly used in audiology and medical contexts to refer to both ears simultaneously. It reflects the Latin roots of medical terminology, where "auris" means ear and "utra" indicates both or either side.

In audiology, the use of "AU" is essential for clarity in communication, especially when discussing assessments, treatments, or audiometric results that pertain to both ears. This ensures that healthcare professionals convey accurate information regarding a patient's hearing status or the fitting of hearing devices that should address both ears.

Understanding the correct terminology is vital for effective treatment planning and patient management in audiology. This helps prevent miscommunication that could arise from using ambiguous or less recognized abbreviations.