• Treating more than 135,000 emergency patients each year in three emergency departments, the Department of Emergency Medicine plays an essential role in caring for the urgent medical needs of residents throughout Southern Arizona.

Emergency Medicine Resources

Clinical News

Meet Our Faculty: A Q&A with Dr. Adrienne Yarnish

Adrienne Yarnish, MD, is a clinical assistant professor in the Department of Emergency Medicine. A Tucson native, she completed her undergraduate degree and medical degree at the University of Arizona. Read Dr. Yarnish’s answers to questions about why she joined UArizona and why she chose Point of Care Emergency Ultrasound as her specialty.


UArizona and Covid Watch Launch COVID-19 Exposure Notification App

UArizona and Covid Watch Launch COVID-19 Exposure Notification App


COVID-19 Patients with Respiratory Failure to Be Given NuvOx Pharma's Oxygen Therapeutic in Phase IIa Clinical Trial

Jarrod Mosier, MD, associate professor, UArizona Emergency Medicine and Internal Medicine and associate program director of the Critical Care Fellowship at Banner University Medical Center - Tucson, is a principal investigator of the U.S. sites in a Phase IIa clinical trial of NanO2 in COVID-19 subjects with acute hypoxic respiratory failure (AHRF).