CLEAN : Most Nepal quake victims come with fractures: doctor

The video tutorial discusses the division of patients into triage categories: red for critical injuries, yellow for intermediate, and green for minor injuries. It explains the pattern of patient arrivals, often in groups, and the role of army helicopters in evacuations. The tutorial also covers managing patient flow, including periods of high and low activity.

Describe the pattern of patient arrivals mentioned in the text.

What is meant by a 'pack' in the context of patient evacuation?