Book excerpt: This issue of Hospital Medicine Clinics, edited by Dr. Jesse Theisen-Toupal, covers topics including: Implantable Cardiac Devices; Aspiration Pneumonia and Pneumonitis; Norovirus and Infection Control, Dysphagia; Idiopathic Thrombocytopenic Purpura; Acute Urinary Retention; Intracranial Hemorrhage; Treatment of Opioid Use Disorder for Hospitalists; Bedside Ultrasound Applications for the Hospitalist; and more!