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On-field examination and care: an emergency checklist.

The on-site physician at an athletic event must be able to recognize life-threatening conditions, provide initial care for all conditions, and direct transport if needed. Preparation is critical for avoiding catastrophe; it involves establishing communication and protocol beforehand, as well as developing a mental checklist for assessing injuries. After ensuring an adequate airway, breathing, and circulation, the examiner determines the patient's level of consciousness, mental status, and symptoms and assesses for neck injury. The physician may then need to prepare for emergency transport or for further evaluation on the sidelines.