Subarachnoid Hemorrhage (SAH)
Overview: A subarachnoid hemorrhage (SAH) is a type of bleeding that occurs in the space between the brain and the tissues that cover it. It is a serious medical condition that requires prompt diagnosis and treatment.
Symptoms
The symptoms of an SAH can include:
- Sudden, severe headache that is often described as the worst headache of your life.
- Nausea and vomiting.
- Stiff neck.
- Sensitivity to light.
- Seizures.
- Loss of consciousness.
Causes
The most common cause of an SAH is a ruptured brain aneurysm, which is a weak spot in a blood vessel in the brain that can balloon out and rupture. Other causes of an SAH can include head trauma, blood-thinning medications, and blood clotting disorders.
FAQ’s
Who is at risk for an SAH?
Anyone can have an SAH, but some factors can increase your risk, including high blood pressure, smoking, a family history of brain aneurysms, and certain medical conditions such as polycystic kidney disease.
How is an SAH diagnosed?
A doctor can diagnose an SAH through imaging tests such as a CT scan or MRI, and a lumbar puncture to test for blood in the cerebrospinal fluid.
How is an SAH treated?
Treatment for an SAH depends on the cause and severity of the bleeding. It may include surgery to repair a ruptured aneurysm or medications to manage symptoms and prevent complications.
Can an SAH be prevented?
While it may not always be possible to prevent an SAH, you can reduce your risk by managing high blood pressure, avoiding smoking and excessive alcohol consumption, and seeking treatment for any underlying medical conditions.
