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Doctor insights on: Subdural Hematoma Subarachnoid Hemorrhage

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What's a subdural hematoma?

What's a subdural hematoma?

Blood clot: A subdural hematoma is a blood clot that has formed on top of the brain and underneath the covering of the brain. It is usually due to a traumatic event or if the patient's blood is being thinned. It can be nonsurgical or surgical depending on how large it is and what the patient's neurological status is. ...Read more

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Dr. Bryan Treacy
788 doctors shared insights

Heavy Bleeding (Definition)

Usually described by physicians as having to change a pad more than every 1-2 hours, passing large clots, change from your previous pattern, needing overnight protection, ...Read more


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Could epidural hematoma lead to cerebral hypoxia?

Could epidural hematoma lead to cerebral hypoxia?

Yes: Imagine a pressure on one side of the brain from the skull, pushing that side of the brain compressing all the tissues including the blood vessels causing brain hypoxia on one side. It then pushes the whole brain and shifts to the brain against the unyielding skull to the other side, compressing the tissues there also (counter coup effect). That is epidural hematoma without surgical treatment. ...Read more

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What is a sub arachnoid haemorrhage and a subdural haemorrhage?

What is a sub arachnoid haemorrhage and a subdural haemorrhage?

Described below: A subarachnoid hemorrhage is an arterial bleed usually from the rupture of a saccular aneurysm, though it can be traumatic. Blood accumulates over the surface of the brain and a fine covering called the pia-arachnoid. A subdural hemorrhage is a venous bleed from bridging veins . It occurs between the inner lining of the skull and the tough covering of the brain called dura. Both a dangerous. ...Read more

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What is left parietal hematoma? Is parietal hematoma and subdural hematoma same?

What is left parietal hematoma? 
Is parietal hematoma and subdural hematoma same?

Hematoma- blood coll: Hematoma is collection of blood somewhere in the body...anywhere in the body....it's called a hematoma. Parietal tells us the location (Parietal lobe of the brain) usually due to high blood pressure while Subdural hematoma means collection of blood below the level of the DURAL cover of the covering of the brain called the meninges...often times traumatic cause but also often can be spontaneous. ...Read more

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What is left parietal hematoma? Is parietal hematoma and subdural hematoma same?

What is left parietal hematoma? Is parietal hematoma and subdural hematoma same?

Different: A hematoma is like a bruise or collection of blood from a trauma. In parietal hematoma this is in the parietal lobe of the brain, so it is in the brain tissue itself. A subdural hematoma is just under the dura mater one of the coverings of the brain so it is up close to the skull. ...Read more

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What is a falcine subdural hematoma?

Falx Hemorrhage: A hemorrhage between the two sides of the brain (hemispheres) along the falx. The falx is a membrane that extends down from the skull and helps protect brain. ...Read more

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What is a subarachnoid hemorrhage?

What is a subarachnoid hemorrhage?

Dangerous hemorrhage: Subaracnoid hemorrhages usually occur from rupture of aneurysms. Aneurysms are caused by defects in the vessel wall producing outpouching of the wall. With rupture of the aneuysm, patients complain of the worst headache of their life. The headache can rapidly progress to include altered consciousness, weakness or unresponsiveness. A percentage of patients never survive to reach medical care. ...Read more

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Can subdural hematoma lead to brain dysfunction?

Can subdural hematoma lead to brain dysfunction?

Yes: The subdural hematoma if present for a long time and sufficiently large can compress the underlying brain leading to local ischemia and shift of the brain. This can lead to damage to the underlying structures. Even if it is evacuated, there can still be long-term sequelae--ie. Brain disabilities. ...Read more

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Is ruptured brain abscess considered traumatic brain injury?

Is ruptured brain abscess considered traumatic brain injury?

No: A brain abscess is a medical emergency and is due to a localized brain infection. If it ruptures, meningitis could occur and cause death. Unless there has been an open head injury, trauma does not directly cause infection. Physical injury such as falling and striking the head results maybe in "traumatic brain injury". ...Read more

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Could people recover from subarachnoid hemorrhage?

SAH Recovery: Sah patients may recover and it is based on many clinical and imaging factors. The treating physician will be the best person to assess the individual's prognosis. ...Read more

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Can diffuse haemangioma in skull bone cause Subdural Hematoma or cavenous sinus thrombosis so worried?

Can diffuse haemangioma in skull bone cause Subdural Hematoma or cavenous sinus thrombosis so worried?

NO: Of course, if you have reasons for thrombosis, or bad head trauma, you, like others could have such issues, but so far, you provide no reason to worry. ...Read more

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Are subarachnoid hemorrhages genetic?

Are subarachnoid hemorrhages genetic?

No, run in families: They are not genitic but run in families, maternal side. Usually women in late 20's to 30's. If someone in you family suffered from one and you are maternally related, i would have an mra of my head to b sure i did not have the same subclinical problem. ...Read more

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What is more severe, subdural or epidural hematoma?

What is more severe, subdural or epidural hematoma?

Depends: If you are referring to outcomes, subdural hematomas generally have a worse outcome. This may because these tend to be in older patients and are associated with a rotational component. The blood is also pushing directly on the brain. If you are referring to rapidity of deterioration although both can have a rapid decline, classically, the epidural is more rapid because it is an artery bleeding. ...Read more

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What is a subdural hematoma?

What is a subdural hematoma?

Blood inside skull: Subdural hematomas are collections, usually venous blood, from a torn vein between the brain and the fibrous membrane surrounding the brain called the Dura Mater. ...Read more

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Is ruptured brain abscess considered brain injury or traumatic brain injury?

Is  ruptured brain abscess considered brain injury or traumatic brain injury?

No: A brain abscess is a medical emergency and is due to a localized brain infection. If it ruptures, meningitis could occur and cause death. Unless there has been an open head injury, trauma does not directly cause infection. Physical injury such as falling and striking the head results maybe in "traumatic brain injury". ...Read more

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What can cause subarachnoid hemorrhage?

What can cause subarachnoid hemorrhage?

Head trauma: Head trauma is the most common cause, although cerebral aneurism is the most common cause of spontaneous sah. Formal cerebral angiogram in my opinion is still the gold standard for diagnosing aneurism. ...Read more

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Why does subdural hemorrhage cause headaches?

Why does subdural hemorrhage cause headaches?

Increased pressure: When a subdural hemorrhage occurs, the blood flows and first puts pressure on the soft tissues of the brain until they are fully compressed. The blood pressure then fills the dura mater, the tough sac that surrounds the brain. We think it is actually this stretching that is causing the headache. The pressure on the brain tissues causes the damage. ...Read more

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Dpes subconjunctival hemorrhage last long?

Dpes subconjunctival hemorrhage last long?

No: It depends on a few factors, including how large the hemorrhage is, and what caused the hemorrhage. Some go away in a day or two, many take 7-10 days, and some can take even longer. ...Read more

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What's a retinal hemorrhage?

What's a retinal hemorrhage?

Bleeding in retina: The retina, the seeing film at the back of the eye, is richly vascularized and vessels can bleed from a variety of conditions. This is termed retinal hemorrhage. It is seen in patients with trauma, diabetes, macular degeneration, sickle cell anemia, leukemia, aplastic anemia, blood clotting abnormalities and a host of rare conditions as well. ...Read more

Dr. Lynne Weixel
569 doctors shared insights

Hematoma (Definition)

A condition in which there is an abnormal collection of blood under the skin or other bodily surface, outside ...Read more


Subdural Hematoma (Definition)

A condition in which blood pools between the brain ...Read more