Emergencies Learn how to prepare for and respond to an emergency. Know how to help during an opioid overdose These four steps could save a life. The Basics Make a heart attack action plan First aid essentials: How to make a kit fit for first aid When should you go to the ER? Recognize when your child needs emergency medical care Emergency rooms and urgent care quiz More information Parents: Know when to call 911 Seizure first aid Is it an emergency? Asthma Is it an emergency? Bites Is it an emergency? Broken bones Is it an emergency? Burns Heart attack symptoms When pain is a medical emergency Stroke warning signs Related stories