a total dose of radiation administered over such a short period that biological recovery is impossible
- Acute epidemic leukoencephalitis
acute epidemic leukoencephalitis acute epidemic leukoencephalitis n. A usually fatal form of leukoencephalitis that is characterized by acute onset of fever, followed by convulsions, delirium, and coma, and is associated with localized hemorrhaging in the central nervous system. Also called Strümpell’s disease.
- Acute glaucoma
See under . Ophthalmology. abnormally high fluid pressure in the eye, most commonly caused either by blockage of the channel through which aqueous humor drains (open-angle glaucoma or chronic glaucoma) or by pressure of the iris against the lens, which traps the aqueous humor (angle-closure glaucoma or acute glaucoma) Historical Examples In acute glaucoma the […]
- Acute hemorrhagic conjunctivitis
acute hemorrhagic conjunctivitis acute hemorrhagic conjunctivitis n. An acute, endemic form of conjunctivitis usually caused by an enterovirus and characterized by eyelid swelling, tearing, and conjunctival hemorrhages.
- Acute idiopathic polyneuritis
acute idiopathic polyneuritis acute idiopathic polyneuritis n. A neurologic syndrome, usually following certain virus infections, marked by paresthesia of the limbs and by muscular weakness or a flaccid paralysis. Also called Guillain-Barré syndrome, infectious polyneuritis, Landry-Gillain-Barré syndrome, Landry syndrome, polyradiculoneuropathy, radiculoganglionitis.
- Acute hemorrhagic pancreatitis
acute hemorrhagic pancreatitis acute hemorrhagic pancreatitis n. Acute inflammation of the pancreas accompanied by the formation of necrotic areas on the surface of the pancreas and in the omentum and, frequently, also accompanied by hemorrhages into the substance of the gland.