The ER is not a place anyone wishes to be. Learn how the ER works, common reasons people end up there and some of the bizarre procedures that have taken place.

What's the difference between an ER and a trauma center?

When you're headed to the ER, you're probably too busy to ponder the difference between the ER and a trauma center. But it is good to know how they differ. See more »

How do emergency rooms handle massive disasters?

In addition to day-to-day emergencies, the ER also has to deal with disasters. Find out how emergency rooms handle massive disasters at HowStuffWorks. See more »

How do you know if you should go to the emergency room?

It can be hard to tell whether an injury, illness or other troubling symptom warrants a trip to the ER. See when it is good to go to the ER. See more »

What can you do if you were mistreated in the ER?

Sometimes things go wrong in the ER. Find out what you can do if you are mistreated in the ER at HowStuffWorks. See more »

10 Reasons Not to Go to the ER

Wondering if your health emergency requires an emergency room visit? See 10 reasons not to go to the ER to find out. See more »

How Emergency Medical Responders Work

Emergency medical responders are volunteers who have received the highest level of emergency medical training. Learn about the history and duties of EMRs. See more »

How the Pain Scale Works

Pain scales are tools that doctors and nurses use to estimate the intensity of discomfort. Learn about the pros and cons of pain scales. See more »

10 Tips to Get You Through a Trip to the ER

An ER visit is sometimes needed when accidents happen or a severe illness strikes. View these 10 tips to help you get through your ER visit. See more »

10 Conditions the ER Can't Help You With

When should you go to the ER? If you have one of these 10 conditions, the emergency room isn't for you. See more »

How Mobile Medicine Works

Mobile medicine allows health professionals to reach people in need. Learn how mobile medicine works. See more »