Intensive care units (ICUs) provide comprehensive, advanced care to patients with serious or life-threatening conditions and consequently, a significant amount of end-of-life care (EOLC). Indeed, approximately 20% of deaths in the U.S. are associated with an ICU stay, and nearly half of U.S. patients who die in hospitals experience an ICU stay during the last 3 days of life. Despite the commonality of the ICU experience, ICU patients typically suffer from a range of distressing symptoms such as pain, fatigue, anxiety, and dyspnea, causing families significant distress on their behalf....