What are the 11 signs of heat stroke and how can they be recognized and treated effectively?

Heat stroke is a serious condition that can be recognized by 11 signs, including high body temperature, rapid heartbeat, confusion, and nausea. Other signs include headache, dizziness, and hot, dry skin. If someone shows these signs, it's important to move them to a cooler place, remove excess clothing, and cool them down with cold packs or water. Seek medical help immediately.