Mary Fischer is a clinical specialist in acute care at NYU Langone Medical Center. She is a board-certified Geriatric clinical specialist with over 25 years of experience in acute care, inpatient rehabilitation, outpatient, and home care therapy. Along with making presentations on geriatric topics at multiple Physical Therapy Conferences and the American Delirium Society Conference, in October 2016, Rusk Rehabilitation hosted a day-long event called: "Comprehensive Examination and Treatment of the Patient with Delirium: An Interprofessional and Evidence Based Approach" in which she was a content planner and faculty member. Some of her other important activities include serving as the principle investigator for a research project on fall risk assessment in acute care and being a member of the post-operative delirium prevention committee. She has a master’s degree in physical therapy from Columbia University and a doctorate from Stony Brook University. Prior Rusk podcast interviews that she participated in with Dr. Kristine Josef were posted on iTunes on May 18 and May 25, 2016. In Part 1, the discussion includes symptoms of delirium, length of delirium episodes, predisposing/precipitating risks for the onset of delirium, and how physical therapists are involved in recognizing and preventing delirium.