what is an ambulatory care unit at a hospital
Programs & Clinics Â» Acute Ambulatory Care Unit (AACU) Acute Ambulatory Care Unit (AACU) The Acute Ambulatory Care Unit (AACU) is a short stay medical unit that provides urgent assessment, investigation, and management for patients with new medical problems and those with chronic medical illnesses. This work up and management occurs within a 24-hour timeframe.