Barlow syndrome
Barlow syndrome: Barlow syndrome is mitral valve prolapse (also known as “click murmur syndrome”), the most common heart valve abnormality, affecting 5-10% of the world population. Most patients have no symptoms and require no treatment. However, the condition can be associated with fatigue and/or palpitations. The mitral valve prolapse can often be detected by a doctor during examination of the heart and can be confirmed with an echocardiogram. Patients are usually given antibiotics prior to any procedure which might introduce bacteria into the bloodstream, including dental work and minor surgery.
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Baroparesis: Reversible paralysis of the facial nerve due to pressure in the middle ear going up in a plane or surfacing in scuba diving. The excessive pressure in the middle ear compresses the facial nerve and causes temporary paralysis. After landing in a plane or surfacing in scuba diving, the ear pressure returns to normal […]
- Barosinusitis
Barosinusitis: Sinus troubles, particularly with pain, due to changing atmospheric pressures, as when going up or down in a plane. Also called aerosinusitis or sinus barotrauma.
- Barotitis
Barotitis: Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems include ear pain, ringing, diminished hearing and, sometimes, dizziness. The word barotitis (pronounced bar-o-tit-is) is compounded from bar- as in barometer + otitis meaning inflammation of the ear. Alternate terms include aerotitis, aerotitis media, barotitis media, and […]
- Barotrauma
Barotrauma: Trauma caused by rapid or extreme changes in air pressure, especially affecting enclosed cavities within the body such as the middle ear (otic barotrauma), the sinuses (sinus barotrauma), and the lungs (pulmonary barotrauma). See also: Otic barotrauma; Sinus barotrauma; and Pulmonary barotrauma.
- Barr body
Barr body: A microscopic feature of female cells that is due to the presence of two X chromosomes, one of which is inactive and crumples up.