Brachycephaly
Brachycephaly: A condition in which the head is unusually short in diameter from front to back. Brachycephaly is frequently a feature in congenital malformation syndromes, including Down syndrome (trisomy 21).
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- Brachydactyly
Brachydactyly: A condition in which the fingers and toes are short and stubby. Brachydactyly is a common finding in malformation sydromes, such as Down syndrome (trisomy 21).
- Brachytherapy
Radiation treatment given by placing radioactive material directly in or near the target, which is often a tumor. Brachytherapy for prostate cancer, for example, is also called interstitial radiation therapy or seed implantation. In brachytherapy for prostate cancer, radioactive seeds are implanted in the prostate. The seeds might be titanium-encased pellets that contain the radioisotope […]
- Brachytherapy, coronary artery
Local radiation treatment within an artery to the heart. Coronary artery brachytherapy has been used to reduce the recurrence of blockage (obstruction) of a coronary artery after successful treatment of a blockage of a stent. A stent is a tubular structure that is implanted inside of a coronary artery to keep it open, thereby preventing […]
- Bradycardia
A slow heart rate, usually defined as less than 60 beats per minute.
- Bradykinesia
Slow movement. Bradykinesia is often associated with an impaired ability to adjust the body’s position. Bradykinesia can be a symptom of nervous system disorders, particularly Parkinson’s disease, or a side effect of medications.