This document discusses different modalities of patient care delivery including total patient care, functional nursing, team nursing, primary nursing, and case management. It explains the key aspects of each approach and how they affect factors like continuity of care, role clarity, efficiency, and communication. The document also covers challenges for the future like cost containment, quality demands, and changing patient and workforce demographics. It emphasizes the importance of carefully designing care delivery models that are not solely based on economics and facilitate innovative solutions through integrated leadership and adequate resources.