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Word Definition


Medications that increase blood flow to the brain by expanding or dilating blood vessels.
Vasodilators are a type of medicine. 

They increase blood flow to the brain. 

They make your blood vessels expand to let more blood through.


A blood vessel spasms or contracts causing less blood flow.
Vasospasm is when a blood vessel spasms. 

This can stop blood getting to the brain.


A vein is the body's "pipeline" for carrying blood from other parts of the body (including the brain) back to the heart.
Veins are blood vessels.

They carry blood back to the heart.

Verbal dyspraxia

A type of speech problem where people have difficulty planning the movements of the mouth and tongue needed for speaking.
Verbal dyspraxia is a type of speech problem.

It happens when you have trouble moving your mouth and tongue.

Vertebral artery

One of two blood vessels that run up the back of the neck and join at the base of the skull to supply blood to the brain.
The vertebral artery is a blood vessel. 

It runs up the back of your neck. 

It delivers blood to your brain.


Vertigo is a type of dizziness. It is described as a ‘spinning’ sensation in the head. Some people say it feels like standing still in a spinning room. You may feel like you are going to fall over.

Vertigo is a type of dizziness. 

It is when you feel like your head is spinning. 

Some people say it feels like standing still in a spinning room. 

You may feel like you are going to fall over.

Video fluroscopy

A procedure that involves taking a series of xray images of the parts of the body that are involved in swallowing. It can help to identify what is wrong and what strategies may help.
Video fluroscopy is a type of medical treatment. 

It is used if you have trouble swallowing. 

Doctors take X-ray pictures of your throat. 

They can see what is wrong. 

They can find ways to help.

Visual field loss

A loss of vision in a particular area or field caused by brain injury.
Visual field loss is when you lose parts of your vision. 

It happens when your brain is injured.

Instead of seeing a whole image, you only see a part of it.

Visual inattention

When a person ignores everything on one side. A person with visual inattention may not be aware of anything or anyone on the affected side. Even when a person's attention is drawn towards that side, their attention quickly reverts to forgetting that the side exists.
Visual inattention is when you ignore everything on one side of you.

You might not be aware of objects on that side of you. 

If someone stands on that side, you may not see them. 

Even if you are told something is there, you will quickly forget that the side exists.


Videofluoroscopic modified barium swallow
Videofluoroscopic modified barium swallow


Virtual reality training
Virtual reality training


Visual scanning training
Visual scanning training


Video teleconferencing
Video teleconferencing


Venous thromboembolism
Venous thromboembolism