This issue of Medical Clinics, guest edited by Dr. Andrew Dunn, is an Update in Hospital Medicine. Articles in this issue include: Sepsis, severe sepsis, and septic shock, Pneumonia, Acute congestive heart failure, Acute exacerbation of COPD, Acute manifestations of alcohol use disorder, Opioid use disorder, Acute Venous Thromboembolism, Acute liver Injury / Decompensated cirrhosis, Hospital-acquired infections, Peri-operative management of anticoagulation, Teamwork essentials for the hospitalist, Teaching at the bedside, and more.