These videos are intended to provide helpful health information to the general public. They are not intended to be a substitute for professional medical advice. You should not use this information to diagnose or treat health problems, and you should not use these videos in place of a call or visit to a medical professional. Talk with your physician about the proper treatment for your particular condition, and always follow your physician’s advice. If you think you need an ambulance or are experiencing a medical emergency, please dial 911 immediately.