de Musset sign: Rhythmic nodding or bobbing of the head in synchrony with the heart beat, a sign of aortic insufficiency –incompetence of the aortic valve with aortic regurgitation. The causes include syphilitic aortitis, rheumatic fever, and aortic aneurysm. Named after the French Romantic poet and playwright Alfred de Musset (1810-1857).
- De Quervain's tenosynovitis
Inflammation of tendons on the side of the wrist at the base of the thumb. These tendons include the extensor pollicis brevis and the abductor pollicis longus tendons. De Quervain’s tenosynovitis is typically associated with pain when the thumb is folded across the palm and the fingers are flexed over the thumb as the hand […]
DEA: The Drug Enforcement Administration of the US Department of Justice, which regulates interstate commerce in prescription drugs to prevent them from being used as drugs of abuse. Every prescription written in the US bears the DEA number of the prescribing physician.
Partial or complete hearing loss. Levels of hearing impairment vary from a mild to a total loss of hearing. Elderly adults suffer most often from hearing loss. The most common cause of hearing loss in children is otitis media. A substantial number of hearing impairments are caused by environmental factors such as noise, drugs, and […]
- Deafness and Communication Disorders, Institute
Deafness and Communication Disorders, National Institute on: One of the US National Institutes of Health. The mission of the National Institute on Deafness and Other Communication Disorders is to “conduct and support biomedical research and research training on normal mechanisms as well as diseases and disorders of hearing, balance, smell, taste, voice, speech, and language […]
- Deafness and keratopachydermia
Deafness and keratopachydermia: Congenital deafness with keratopachydermia and constrictions of fingers and toes. See: Vohwinkel syndrome.