This week we are joined by 4th year University of Ottawa student Zuhaib Mir who will be discussing Acute Bacterial Rhinosinusitis. This podcast was created as a collaborative effort between Surgery101, LearnENT, and the Canadian Society of Otolarygology-Head & Neck Surgery as part of a special series of topics on primary care otolaryngology. After this podcast you will be able to: Understand the importance of the topic Define Acute bacterial Rhinosinusitis and discuss the relevant anatomy Describe the risk factors associated Describe the clinical presentation and differential diagnosis Recommend treatment for ABRS, including complications and when you should refer to OHNS