| FS | factor of safety; Fanconi syndrome; Felty syndrome; fibromyalgia syndrome; field stimulation; Fisher... |
|---|---|
| SHT | simple hypocalcemic tetany; subcutaneous histamine test |
| SM | Master of Science; sadomasochism; self-monitoring; silicon microphysiometer; simple mastectomy; skim... |
| SPS | scapuloperoneal syndrome; shoulder pain and stiffness; simple partial seizures; slow-progressive sch... |
| SRS | schizophrenic residual state; sex reassignment surgery; Silver-Russell syndrome; simple repeat seque... |
| CAE | Childhood Absence Epilepsy |
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| CAVD | Congenital absence of the vas deferens |
| CBAVD | Congenital bilateal absence of the vas deferens |
| GAERS | Genetic Absence Epilepsy Rat from Strasbourg |
| JAE | Juvenile absence epilepsy |
| simple absence | A brief clouding of consciousness accompanied by the abrupt onset of 3/sec spikes and waves on EEG. Synonym: pure absence. (05 Mar 2000) |
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| absence | Paroxysmal attacks of impaired consciousness, occasionally accompanied by spasm or twitching of cephalic muscles, which usually can be brought on by hyperventilation; depending on the type and severity of the absence, the EEG may show an abrupt onset of a 3/sec spike and wave pattern as in simple absence, or in atypical cases, a 4/sec spike and wave or faster spike complexes. The clinical states accompanying these EEG abnormalities may be classified as: 1) absence with no overt manifestations, e.g., simple absence; epileptic absence; subclinical absence; 2) absence with clonic movements, e.g., myoclonic absence; 3) absence with atonic states, e.g., atonic absence; 4) absence with tonic contractions, e.g., hypertonic muscular contraction; 5) absence with automatisms, e.g., various stereotyped movements, usually of the face or hands; 6) absence with atypical features, e.g., bizarre motor activity. Origin: L. Absentia (05 Mar 2000) |
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| absence seizure | <neurology> A type of seizure that in contrast to the grand mal seizure, are noted for their brevity and for the degree of loss of awareness (brief staring spell) accompanied by minimal motor manifestations. A common form of childhood epilepsy. (06 Oct 1997) |
| atypical absence seizure | An absence seizure associated with an EEG pattern of irregular or slow spike and wave at less than 2.5 Hz or paroxysmal fast activity on an abnormally slow background EEG. (05 Mar 2000) |
| childhood absence epilepsy | A generalised epilepsy syndrome characterised by the onset of absence seizures in childhood, typically at age six or seven years. There is a strong genetic predisposition and girls are affected more often than boys. EEG reveals generalised 3 Hz spike-wave activity on a normal background. Prognosis for remission is good if the patient does not also have generalised tonic-clonic seizures. See: absence. Synonym: petit mal epilepsy, pyknolepsy. (05 Mar 2000) |
| congenital absence of pulmonary valve | <radiology> BIG central pulmonary arteries, big RV (12 Dec 1998) |
| pure absence | A brief clouding of consciousness accompanied by the abrupt onset of 3/sec spikes and waves on EEG. Synonym: pure absence. (05 Mar 2000) |
| epilepsy, absence | Epileptic seizures that consist of a sudden cessation of ongoing conscious activity without convulsive muscular activity or loss of postural control. These seizures may be so brief as to be inapparent, lasting seconds and occasionally several minutes. Absence seizures usually begin in otherwise neurologically normal children and rarely appear for the first time in adults. The seizures may occur hundreds of times per day and go on for weeks or months before it is recognised that a child is having seizures. (12 Dec 1998) |
| juvenile absence epilepsy | A generalised epilepsy syndrome with onset around puberty, characterised by absence seizures and generalised tonic-clonic seizures. EEG often shows a greater than 3 Hz generalised spike wave pattern. (05 Mar 2000) |
| mastectomy, simple | Removal of only the breast tissue and nipple and a small portion of the overlying skin. (12 Dec 1998) |
| microscope, simple | <microscopy> A microscope that has a single converging lens (or a combination of lenses that function optically as a single converging lens). Anton van leeuwenhoek (1632-1723) made good use of the simple microscope to look at the life within a drop of water, and such. The magnifying properties of lenses had been well known in ancient times (for example to the greeks and romans) but it was not until about 1600 that it became possible to make small lenses with the precision needed to make a microscope. (12 Dec 1998) |
| simple | Undivided, of a leaf, not divided into leaflets, of a hair or an inflorescence, not branched. (09 Oct 1997) |
| simple anchorage | Anchorage in which the resistance to the movement of one or more teeth comes solely from resistance to tipping movement of the anchorage unit. (05 Mar 2000) |
| simple anisocoria | A common (20% of normals) benign inequality of the pupils that may change from one hour to the next. Synonym: essential anisocoria, physiologic anisocoria, simple-central anisocoria. (05 Mar 2000) |
| simple beam | In dentistry, a straight beam that has only two supports, one at either end. (05 Mar 2000) |
| simple bone cyst | <radiology> Unicameral or solitary bone cyst, lytic, unilocular, central, meta-diaphyseal, humerus (most common site), age 0 - 10 yrs Differential diagnosis: bubbly bone lesions (12 Dec 1998) |
| simple absence |
pure absence: petit mal seizure without other complications; followed by 3-per-sec brainwave spikes
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| simple absence | petit mal seizure without other complications |
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