Vertebroplasty
A nonsurgical method for repairing osteoporosis back fractures, such as vertebral compression fractures. Vertebroplasty is performed by a radiologist, without surgery, and involves inserting a glue-like material into the center of the collapsed spinal vertebra to stabilize and strengthen the crushed bone. The material is inserted through anesthetized skin with a needle and syringe, entering the midportion of the vertebra under the guidance of specialized X-ray equipment. Once inserted, the material hardens to form a cast-like structure within the broken bone. Relief of pain comes quickly from this casting effect, and the newly hardened vertebra is then protected from further collapse. In addition to prompt pain relief, another advantage of vertebroplasty is improved mobility. Also referred to as kyphoplasty.
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- Vertex
The top of the head. For example, in a vertex presentation at birth, the top of the baby’s head emerges first.
- Vertical
In anatomy, upright. As opposed to horizontal. For a more complete listing of terms used in medicine for spatial orientation, please see the entry to “Anatomic Orientation Terms”.
- Vertical transmission
Passage of a disease-causing agent (pathogen) from mother to baby during the period immediately before and after birth. Transmission might occur across the placenta, in the breast milk, or through direct contact during or after birth. For example, HIV can be a vertically transmitted pathogen. Also known as perinatal transmission.
- Vertigo
Dizziness, Lightheadedness, and Unsteadiness.
- Vertigo, benign paroxysmal positional (BPPV)
A balance disorder that results in the sudden onset of dizziness, spinning, or vertigo when moving the head.