Do you have any of the following symptoms that require emergency treatment? Call 911 or other emergency services immediately.

• Chest discomfort or pain that is crushing or squeezing or feels like a heavy weight on the chest
• Chest discomfort or pain that occurs with:
  • •Sweating
  • •Shortness of breath
  • •Nausea or vomiting
  • •Pain that spreads from the chest to the back, neck, jaw, upper abdomen, or one or both shoulders or arms. See an illustration of chest pain.
  • •Dizziness or lightheadedness
  • •A fast, slow, or irregular heartbeat
• Moderate to severe difficulty breathing:
  • •In a child
  • •In an adult and older child
• Choking. If choking is present, go to the topic Choking Rescue Procedure. Do not perform the Heimlich maneuver if the person is still coughing or able to speak.