AHD: Abbreviation for alveolar hydatid disease; American Hospital Directory; and atherosclerotic heart disease.
- Alstrom syndrome
Alstrom syndrome: A progressive genetic disorder characterized by obesity, deafness, and visual problems in childhood and diabetes with insulin resistance (type 2 diabetes) and kidney failure in adulthood. Individuals with Alstrom syndrome have been identified in over 20 countries. Although the syndrome is generally rare, it is unusually frequent among Acadians, both those living in […]
- ALT (alanine aminotransferase)
ALT (alanine aminotransferase): An enzyme normally present in liver and heart cells that is released into the bloodstream when the liver or heart is damaged. The blood ALT levels are elevated with liver damage (for example, from viral hepatitis) or with an insult to the heart (for example, from a heart attack). Some medications can […]
- Alternating hemiplegia of childhood
Alternating hemiplegia of childhood: A rare neurological disorder with frequent temporary episodes of paralysis of one side of the body (hemiplegia) usually beginning before the age of 18 months. The eye movements, face, or limbs can be paralysed on either side of the body, but on only one side at a time. The cause is […]
- Alternating hemiplegia syndrome
Alternating hemiplegia syndrome: See: Alternating hemiplegia of childhood.
- Alternative medical system
Alternative medical system: An umbrella term for a number of practices beyond the scope of conventional medicine. These forms of alternative medicine are built upon a complete system of ideas and practice and may have evolved in Western or non-Western cultures. Examples include Ayurveda, Chiropractic, Homeopathy, Naturopathic medicine, Osteopathy, and Traditional Chinese medicine.