This book analyzes the main topics of Palliative Care in Cardiac Intensive Care Units (CICU), from the changing epidemiology of patients admitted to the ICU, to the main clinical and ethical issues. The changing epidemiology of patients has led to new and emerging patient needs at the end of life. Care has shifted from acute coronary syndrome patients towards elderly patients, with a high prevalence of non-ischemic cardiovascular diseases and a high burden of non-cardiovascular comorbid conditions: both increase the susceptibility of patients to developing life-threatening critical conditions. These conditions are associated with a significant symptom burden, high mortality rate, and increased length of stay. The main new challenges involve shared decision-making, symptom control (pain, dyspnea, etc.