Can you have a slow brain bleed and not know it?

Bleeding occurs slowly and symptoms may not appear for weeks or months. Even minor head injuries can cause chronic subdural hematomas. Due to the delay in developing symptoms, an older person may not even recall how their head injury happened.
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What are the symptoms of a slow brain bleed?

As more blood fills your brain or the narrow space between your brain and skull, other signs and symptoms may appear, such as: Lethargy. Seizures.
...
Seek immediate medical attention after a blow to the head if you:
  • Lose consciousness.
  • Have a persistent headache.
  • Experience vomiting, weakness, blurred vision, unsteadiness.
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How long can a slow brain bleed go undetected?

In very slow-growing subdural hematomas, there may be no noticeable symptoms for more than 2 weeks after the bleeding starts.
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Can you have a brain bleed and not know it?

There may be no warning signs of a bleed on the brain. For example, it could happen after someone falls and hits their head. If there is a weakness in the blood vessel wall, it can bulge or swell, which is known as an aneurysm. Aneurysms can rupture suddenly without warning, and cause a bleed on the brain.
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Can you have a slow bleed on the brain?

In a subdural hematoma, the blood seeps between the dura and the arachnoid layers. It collects inside the brain's tough outer lining. This bleeding often comes from a blood vessel that breaks within the space around the brain. This most often happens because of a head injury.
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Intracranial Haemorrhage Types, signs and symptoms



Can a small brain bleed heal itself?

Diagnosis & treatment

Many hemorrhages do not need treatment and go away on their own. If a patient is exhibiting symptoms or has just had a brain injury, a medical professional may order a computerized tomography (CT) scan or a magnetic resonance imaging (MRI) scan to check for brain hemorrhages.
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How long after hitting your head can you have a brain bleed?

Brain cells begin dying within four minutes as they lose their vital oxygen supply.
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Can a CT scan miss a brain bleed?

CT scans often miss soft tissue injuries and other abnormalities. An MRI may or may not detect these. Some TBIs can take time to develop. A microscopic brain bleed or nerve fiber damage might not occur for hours or even days, long after you've visited the emergency room.
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What happens if a brain bleed goes untreated?

Without treatment, it can lead to permanent brain damage and death. This type of bleed usually happens due to a brain aneurysm. Sometimes a problem with blood vessels or other health problems can cause it. The main warning sign for this type of bleed is a sudden, severe headache.
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What do they do for a small brain bleed?

Surgery: In some cases, traditional surgery may be needed to drain blood from the brain or to repair damaged blood vessels. Draining the fluid that surrounds the brain: This creates room for the hematoma to expand without damaging brain cells. Medication: Drugs are used to control blood pressure, seizures or headaches.
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Can subdural hematoma go unnoticed?

Subdural hematomas can also occur after a minor head injury. The amount of bleeding is smaller and occurs more slowly. This type of subdural hematoma is often seen in older adults. These may go unnoticed for many days to weeks and are called chronic subdural hematomas.
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Can a CT scan miss a subdural hematoma?

An acute subdural hematoma (SDH) is a rapidly clotting blood collection below the inner layer of the dura but external to the brain and arachnoid membrane. Delayed acute subdural hematoma is defined as an acute SDH that is not apparent on the initial CT scan but appears on a follow-up CT scan.
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How long does it take for a subdural hematoma to show symptoms?

The symptoms of a subdural haematoma can develop soon after a severe head injury, or gradually over days or weeks after a more minor head injury. Sometimes you may not remember hitting your head at all. Symptoms of a subdural haematoma can include: a headache that keeps getting worse.
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What does a subdural hematoma headache feel like?

If you have a subdural hematoma, blood is leaking out of a torn vessel into a space below the dura mater, a membrane between the brain and the skull. Symptoms include ongoing headache, confusion and drowsiness, nausea and vomiting, slurred speech and changes in vision.
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How long can you live with a subdural hematoma?

How long it takes to recover varies from person to person. Some people may feel better within a few weeks or months, while others may never make a full recovery even after many years. This will largely depend on how severe the damage to your brain is.
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What is a subacute bleed?

A subacute subdural hemorrhage is also a serious condition, but it's not as emergent as an acute hemorrhage. In a subacute injury, the symptoms appear more slowly, possibly days or weeks after the head injury. This means that the bleeding is slower and the pressure against the brain is taking more time to build.
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Does a brain bleed cause a headache?

A subarachnoid hemorrhage is bleeding in the space between your brain and the surrounding membrane (subarachnoid space). The primary symptom is a sudden, severe headache. The headache is sometimes associated with nausea, vomiting and a brief loss of consciousness.
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What are the first signs of internal bleeding?

The signs and symptoms that suggest concealed internal bleeding depend on where the bleeding is inside the body, but may include:
  • pain at the injured site.
  • swollen, tight abdomen.
  • nausea and vomiting.
  • pale, clammy, sweaty skin.
  • breathlessness.
  • extreme thirst.
  • unconsciousness.
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What's the difference between an aneurysm and a brain bleed?

A stroke occurs when there's a ruptured blood vessel in the brain or blood supply to the brain has been blocked. An aneurysm is the result of a weakened artery wall. Aneurysms cause bulges in your body, which may also rupture and subsequently bleed.
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How do you rule out a brain bleed?

Diagnosis is usually made based on the results of:
  1. An evaluation of your physical symptoms.
  2. Computed tomography (CT) scan, magnetic resonance imaging (MRI) or magnetic resonance angiogram (MRA) of your brain. These imaging tests determine the location, extent and sometimes the cause of the bleed.
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Would an MRI show a brain bleed?

Conclusion MRI may be as accurate as CT for the detection of acute hemorrhage in patients presenting with acute focal stroke symptoms and is more accurate than CT for the detection of chronic intracerebral hemorrhage.
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Can MRI show old brain injury?

MRI might show brain atrophy long after the injury, which results when injured or dead brain tissue is reabsorbed after TBI. Since injured brain tissue might not fully recover after TBI, doctors might detect TBI-related changes many years following an injury.
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How do I know if I have brain damage?

People with brain damage may have balance issues and sensitivity to pain and light. They may have difficulty with communication, including listening and expressing verbally. Brain damage patients may have frequent headaches and extreme mental and physical fatigue.
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What are the symptoms of delayed concussion?

Persistent post-concussive symptoms include:
  • Headaches.
  • Dizziness.
  • Fatigue.
  • Irritability.
  • Anxiety.
  • Insomnia.
  • Loss of concentration and memory.
  • Ringing in the ears.
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What are symptoms of brain swelling?

What Are the Symptoms of Brain Swelling?
  • Headache.
  • Neck pain or stiffness.
  • Nausea or vomiting.
  • Dizziness.
  • Irregular breathing.
  • Vision loss or changes.
  • Memory loss.
  • Inability to walk.
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