Internal Bleeding What is it? Bleeding inside the body. When bleeding occurs inside the body, you may be able to see a bruise under the skin or you may not be able to see anything. You should suspect internal bleeding if someone: Was injured in a car crash or was hit by a car Fell from a height Was injured in the abdomen or chest (including bruises such as seat belt marks) Was injured in a sporting event, such as slamming into other people or being hit with a ball Has pain in the abdomen or chest after an injury Has shortness of breath after an injury Is coughing up or vomiting blood after an injury Shows signs of shock without external bleeding Was stabbed or shot Plan of Action: Call 911, and get a first aid kit and AED If the person is responsive, have them lie down and keep still while you treat any external injuries Check for signs of shock and provide first aid as needed Be prepared to provide CPR if they become unresponsive and stops breathing normally