• The book outlines various levels of practice.
• Policies are the principles of practice to which the Unit conforms. These should be adhered to in all but exceptional circumstances.
• Protocols represent the standard approach to practice in the Unit. These represent strategies that have been derived from evidence-based medicine, clinical experience and wherever appropriate, cost-effectiveness. Protocols are further designed into Guidelines, which are strategies to assist in clinical management.
• Procedures are standard techniques performed in patients to facilitate the management protocol. However, these techniques may be modified depending on the limitations in the hospital.
• Eventually, the way a patient is managed will depend on the clinical situation.

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