ENT Investigations : a guide to common diagnostic tests

The field of Otolaryngology-Head and Neck Surgery, commonly referred to as ENT (Ear, Nose, Throat), is rich with diagnostic procedures and tests designed to evaluate a broad spectrum of sensory and functional complaints. From hearing loss and tinnitus to balance disorders and anatomical abnormalities, clinicians require a detailed understanding of available investigations to make informed diagnostic and management decisions.

In primary care settings, a nuanced grasp of these diagnostic tests is vital not just for ENT specialists but also for General Practitioners, paramedics, and allied healthcare professionals who serve as the first line of clinical evaluation. Accurate early diagnosis can substantially influence treatment outcomes and patient satisfaction.

This article aims to provide an overview of some of the most commonly used investigations in ENT, focusing on the basics of each test, what it entails, and their general indications. Whether you are a medical student trying to decipher the complexities of audiological tests or a seasoned clinician in need of a quick reference, this guide serves as an educational foundation for understanding these critical diagnostic tools and most importantly to be aware when can this benefit your patient.