When a bump on the head is a serious injury - Mayo Clinic
2024年4月24日 · The forehead and scalp have a large blood supply. Injury to these areas often results in bleeding under the skin. When the bleeding is in just one area, it causes bruising and swelling, known as a hematoma. Keep in mind that even a …
Head trauma: First aid - Mayo Clinic
2023年2月18日 · To give first aid to a person who has head trauma, call 911 or your local emergency number. Any of the following symptoms may indicate a serious head injury:
Cuts and scrapes: First aid - Mayo Clinic
2024年5月1日 · These guidelines can help you care for minor cuts and scrapes: Wash your hands. This helps avoid infection. Stop the bleeding.
Intracranial hematoma - Symptoms and causes - Mayo Clinic
2024年6月8日 · Causes. The most common cause of an intracranial hematoma is a head injury. A head injury that causes bleeding within the skull may result from motor vehicle or bicycle accidents, falls, assaults, and sports injuries.
Cellulitis - Symptoms & causes - Mayo Clinic
2022年5月6日 · Cellulitis (sel-u-LIE-tis) is a common, potentially serious bacterial skin infection. The affected skin is swollen and inflamed and is typically painful and warm to the touch.
Persistent post-concussive symptoms (Post-concussion syndrome)
2024年10月30日 · Persistent post-concussive symptoms are symptoms of a mild traumatic brain injury that typically last longer than three months. Persistent post-concussive symptoms also are called post-concussion syndrome. The symptoms may include headaches, dizziness, and trouble with concentration and memory ...
Puncture wounds: First aid - Mayo Clinic
2024年4月24日 · With a puncture wound, stop the bleeding, and clean, medicate and cover it. If the wound is severe or becomes infected, seek medical help.
Traumatic brain injury - Symptoms & causes - Mayo Clinic
2021年2月4日 · Traumatic brain injury usually results from a violent blow or jolt to the head or body. An object that goes through brain tissue, such as a bullet or shattered piece of skull, also can cause traumatic brain injury.
Sudden cardiac arrest - Symptoms and causes - Mayo Clinic
2023年1月19日 · To understand sudden cardiac arrest, it may help to know more about the heart's signaling system. Electric signals in the heart control the rate and rhythm of the heartbeat.
Stroke - Symptoms and causes - Mayo Clinic
2024年10月1日 · This is the most common type of stroke. It happens when the brain's blood vessels become narrowed or blocked. This causes reduced blood flow, known as ischemi