Balloon Sinuplasty technology explanation
The sinuses in the skull can become blocked and inflamed leading to pain and sometimes fever. The traditional surgical treatment for blocked sinuses was to use rigid instruments to enlarge the areas that drain the sinuses. A newer approach, which is shown in this animation, involves the insertion and inflation of a balloon to expand the sinus outlets. This approach is similar to balloon angioplasty used in damaged or blocked blood vessels.
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Allergy 3D Medical Animation
This animation shows the immune system reacting (or overreacting) at the cellular level. It describes what happens when an allergen, like dander or pollen, enters the body. It also shows how some allergy medicines work, like anti-histamines.
What Does a Stroke Do?
The animated video, narrated by a physician, describes the two main types of stroke: ischemic and hemorrhagic stroke. Ischemic strokes are further subdivided into thrombotic strokes and embolic strokes while hemorrhagic strokes are classified into subarachnoid hemorrhage and intracerebral hemorrhage. The location of the stroke in the brain directly influences the kind and degree of neurological deficit, which is discussed.