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Doctor insights on: Blood Flow Intracranial Pressure Sinus

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How can you tell the difference between impeded blood flow (increased intracranial pressure) and sinus pressure?

How can you tell the difference between impeded blood flow (increased intracranial pressure) and sinus pressure?

Location: Increased intracranial pressure would be more generalized "headache" or pressure. I would expect there to be neurologic deficits as well: change in mentation, gait, speech, etc. Sinus pressure is located: maxillary - below eyes; ethmoid - between eyes; frontal - above eyes; sphenoid - on top of head or very back of head. Sinus pressure is usually very localized. ...Read more

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Dr. Olav Jaren
3 doctors shared insights

Sinus (Definition)

In anatomy, a sinus is a cavity within a bone or other tissue. Most commonly found in the bones of the face and connecting with the nasal cavities. Sinus (anatomy), description of the general term paranasal sinuses, air cavities in the cranial bones, especially those near the nose, including: the maxillary sinuses, also called the maxillary antra and the largest of the ...Read more


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I've gotten intracranial pressure and i would like to know how can you measure it and know if its high or low?

I've gotten intracranial pressure and i would like to know how can you measure it and know if its high or low?

Intracranial pressur: Intracranial pressure is measured typically by two ways. One is bur hole in the head with a catheter or monitor wire placed into the brain and attached to a monitor and read over 24 hours. The other is a spinal tap in the lower spine and a direct measurement of the opening pressure when the needle is placed into the spinal space. ...Read more

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What is the normal reference range of intracranial pressure?

What is the normal reference range of intracranial pressure?

7-15 mmHg: The normal intracranial pressure in an adult lying on their side is 7-15 mmhg, although pain and lying in a tightly contracted position can drive this up even in healthy people. ...Read more

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What is the definition or description of: raised intracranial pressure?

What is the definition or description of: raised intracranial pressure?

Above normal: All persons have pressure in their brain fluid that can vary with position, respiration, bearing down, cough, etc. However, if the fluid pressure is very high, it can cause pressure on structures in and around the brain. The most sensitive test is the spinal tap with pressure monitor that can measure in mm of mercury or cm of water. For high pressures the cause determines the treatment. ...Read more

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Is there a cure for raised intracranial pressure?

Is there a cure for raised intracranial pressure?

Yes but...: There are several and very different causes of raised icp. The treatment and resulting durability depends on the cause first. Causes include high blood pressure, anatomical malformations, infections, and cancer. This is not a complete list though. ...Read more

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Why does hypertension cause increased intracranial pressure?

Why does hypertension cause increased intracranial pressure?

No it does not: Increase intracranial Pressure is the increase pressure inside the skull and thereby in the cerebrospinal fluid and brain itself. But it is not caused by Systemic Hypertension ...Read more

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Why is a person with increased intracranial pressure given the drug mannitol?

Why is a person with increased intracranial pressure given the drug mannitol?

Decrease pressure: Mannitol is used to manipulate osmotic (or oncotic) forces to shift water from the tissue into the blood vessels. In the kidney, mannitol increases water excretion. So, in patients with increased intracranial pressure, the intent is to decrease the pressure by using mannitol to "pull" fluid out of the brain and then excrete it via the kidneys. ...Read more

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What is the best treatment for raised intracranial pressure?

What is the best treatment for raised intracranial pressure?

Reduce it!: True rise in intra cranial pressure is serious it is evidenced by headache, nausea and vomiting , swelling of the optic discs and sometimes altered mental status. There is a relatively benign condition called benign intracranial hypertension ( otherwise known as psuedotumor cerebri) with different causes that is relieved by taking cerebrospinal fluid through a lumbar puncture. ...Read more

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Can DVT in a leg cause intracranial pressure?

Can DVT in a leg cause intracranial pressure?

DVT: No. It is important to get the blood clot treated to avoid it extending or migrating to the lungs. A blood clot that goes to the lungs (pulmonary embolus) will prevent oxygenation of the blood and potentially death. ...Read more