noun
definition
A state of unconsciousness from which one may not wake up, usually induced by some form of trauma.
Examples of coma in a Sentence
Mr. Marsh was in a coma and attached to life support machines.
He's alive, but he's been in a coma for a week.
After he came out of the coma, he underwent a year or so of therapy.
In large doses it has a depressant action on the nervous system, leading even to coma and total abolition of reflex action.
I read that when people wake up from a coma, it's always gradual.
So, once a person came out of the coma, could they go back into it?
The euphoria of his awakening from the coma passed as other symptoms persisted.
These anastigmatic lenses, which are manufactured up to X 40, are chromatically and spherically corrected, and for a middle diaphragm the errors of lateral pencils, distortion, astigmatism and coma are eliminated.
At very high levels, lead poisoning can cause seizures, coma, and even death.
In such cases the acute collapse occurs in company with both superficial and deep anaesthesia of the limbs, and is soon followed by coma terminating in death.
In larger doses it causes stupor, coma and convulsions.
The inflammation may interfere with normal brain function and may cause seizures, sleepiness, confusion, personality changes, weakness in one or more parts of the body, and even coma.
A poison may severely depress the central nervous system, leading to coma and eventual respiratory and circulatory failure.
If acute lead poisoning reaches the stage of seizures and coma, there is a high risk of death.
There was very little, and strictly controlled, use of ECT, and insulin coma therapy had gone for good.
A person incapacitated by a stroke, or in a coma, might not be cared for long enough to see whether he recovers.
Overdose has resulted in symptoms including nystagmus, ataxia, impaired consciousness and coma.
The extension of the image away from the axis or size of field available for covering a photographic plate with fair definition is a function in the first place of the ratio between focal length and aperture, the longer focus having the greater relative or angular covering power, and in the second a function of the curvatures of the lenses, in the sense that the objective must be free from coma at the foci of oblique pencils or must fulfil the sine condition (see Aberration).
The earlier arrangement of two lenses of the Huygenian eye-piece (see Microscope) having foci with ratio of 3 to I, gives a fairly large flat field of view approximately free from distortion of tangential lines and from coma, while the Mittenzw ?
Amongst these, the most important is fever with increased protein metabolism, attended with disturbances of the circulatory and respiratory systems. Nervous symptoms, somnolence, coma, spasms, convulsions and paralysis are of common occurrence.
There may be bleeding from the nose, cutaneous congestion, deafness, blindness, coma or delirium, and even death from cardiac failure.
The coma itself is very rarefied, having a density that is only about one ten thousandth of that of the Earth 's atmosphere.
Coma is not accurately represented in films, something that could skew public perceptions and affect real life decisions, a new study claims.
If the urinary tract is obstructed, coma and death can occur within 24 hours.
Some of the side effects of internal consumption are diarrhea, damaged immune system and in some cases, excessive drowsiness, confusion, coma and even fatality from depression of the central nervous system.
Alcohol poisoning includes dangerous issues like coma, heart attack, lack of breathing, and death.
Bruce Lee - Official reports list a cerebral edema as the cause of the coma Lee suffered, but speculation ran rampant after his death in 1973 that the martial arts master was the victim of foul play.
However, the use of injectable or gaseous anesthesia may be dangerous, and, in some cases, can lead to coma or even death.
The disease will eventually lead to coma and death if not treated.
Swelling of the brain may cause seizures, coma, and in severe cases, death.
Left untreated, this condition can lead to coma and death.
When hypoglycemia is severe, it can lead to convulsions and coma.
If untreated, cerebral toxoplasmosis can lead to coma and death.
With types C and D NPD, there is significant nervous system damage leading to severe muscle spasms, seizures, and eventually coma and death.
Left untreated, this condition can lead to coma and has the potential to be fatal.
Symptoms include fever, headache, sleepiness, seizures, and coma.
Brain damage can occur from glucose levels below 40 mg/dL and coma from levels above 450 mg/dL.
Within six hours of ingestion, iron toxicity can result in vomiting, diarrhea, abdominal pain, seizures, and possibly coma.
For any mineral overdose that causes coma or seizures, the prognosis for recovery is often poor, and death results in a small fraction of patients.
Severe poisoning can also lead to tingling in the scalp, fingers, and toes, muscle contractions, an elevated heart rate, rapid breathing, large drops in body temperature and blood pressure, vomiting of blood, and coma.
Up to 80 percent of such women develop toxemia, a disturbance of metabolism that can potentially lead to convulsions and coma.
Related symptoms include vomiting; seizures; shortness of breath; severe pain in the back, muscles, abdomen, or chest; and, if prolonged or uncorrected, shock and coma or death.
This can result in digestive problems, behavioral changes, brain damage, seizures, or coma.
If the condition develops rapidly, confusion, seizures, and coma are likely to occur.
Myxedema coma can cause unresponsiveness; irregular, shallow breathing; low blood sugar; and drops in blood pressure and body temperature.
Without immediate medical attention, myxedema coma can be fatal.
In severe cases, the child may have convulsions or go into shock or coma.
Brain swelling and massive accumulations of fat in the liver and other organs lead to the rapid development of severe neurological symptoms, including lethargy, confusion, seizures, and coma.
This may be followed rapidly by quietness, lethargy, agitation or combativeness, seizures, and coma.
If the entire process is severe enough over several hours (serum glucose levels over 800mg/dL), swelling can occur in the brain (cerebral edema), and coma can eventually result.