Internal Bleeding

https://www.verywellhealth.com/internal-bleeding...
It is important to call 911 if you or someone you know shows signs of internal bleeding including Severe abdominal or chest pain Shortness of breath or trouble breathing Lightheadedness or fainting Coughing up blood Changes in vision Changes in mental status

https://www.mayoclinic.org/diseases-conditions/...
Gastrointestinal GI bleeding is a sign of a disorder in the digestive tract The blood often shows up in stool or vomit but isn t always obvious Stool may look black or tarry Bleeding can range from mild to severe and can be life threatening Imaging technology or an endoscopic investigation can usually locate the cause of the bleeding

https://en.wikipedia.org/wiki/Internal_bleeding
Internal bleeding also called internal haemorrhage is a loss of blood from a blood vessel that collects inside the body and is not usually visible from the outside 1 It can be a serious medical emergency but the extent of severity depends on bleeding rate and location of the bleeding e g head torso extremities

https://www.medicalnewstoday.com/articles/320322
Internal bleeding or hemorrhaging is bleeding that occurs when blood vessels become damaged inside the body Depending on the severity and location it can lead to weakness and dizziness low

https://www.medicinenet.com/internal_bleeding/article.htm
Symptoms and signs of internal bleeding depend on where the bleeding is coming from but may include Headache Stiff neck Confusion Stroke symptoms vision loss weakness and slurred speech Lightheadedness Shortness of breath Low blood pressure Blood in the stool Rectal bleeding Blood in the urine Causes of internal

https://www.healthgrades.com/.../internal-bleeding
Internal bleeding or hemorrhaging is bleeding inside the body A damaged blood vessel causes the bleeding If uncontrolled internal bleeding is fatal Internal bleeding usually is a result of trauma Internal bleeding can be difficult to diagnose because you are unable to see it

https://my.clevelandclinic.org/health/symptoms/21654
Bruise or hematoma a particularly bad bruise Both involve bleeding just under the skin Hemothorax blood collecting between the chest wall and lungs Intracranial hemorrhage bleeding in the brain Nosebleed Petechiae tiny spots on the skin that may be purple red or brown Postpartum hemorrhage more bleeding than normal after childbirth

https://www.merckmanuals.com/.../internal-bleeding
Internal Bleeding By Amy H Kaji MD PhD Harbor UCLA Medical Center David Geffen School of Medicine Reviewed Revised Jul 2022 Modified Sep 2022 VIEW PROFESSIONAL VERSION First Aid Treatment

https://www.healthline.com/health/bleeding
Internal bleeding occurs when blood leaks out through a damaged blood vessel or organ External bleeding happens when blood exits through a break in the skin Blood loss from bleeding tissue