what causes coma
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- Prolonged blood sugar extremes — blood sugar that's either too high or too low for too long — may cause various conditions, all of which can lead to a diabetic coma. 1  Diabetic ketoacidosis. If your muscle cells become starved for energy, your body may respond by breaking down fat stores. 2  Diabetic hyperosmolar syndrome.
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Overview Some examples are: 1  Traumatic brain injuries. Traumatic brain injuries, often caused by traffic collisions or acts of violence, are common causes of comas. 2  Stroke. Reduced or interrupted blood supply to the brain (stroke), which may be caused by blocked arteries or a burst blood vessel, can result in a coma. 3  Tumors.
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Coma A coma is a state of prolonged unconsciousness that can be caused by a variety of problems — traumatic head injury, stroke, brain tumor, drug or alcohol intoxication, or even an underlying illness, such as diabetes or an infection. A coma is a medical emergency.
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Neuroscience of sleep Coma is a state of unarousable unconsciousness due to the disfunction of the brain's ascending reticular activating system (ARAS), which is responsible for arousal and the maintenance of wakefulness. (Young; Coma, 137).
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- A coma, or comatose is a deep state of unconsciousness-longer-term comatose patients may be reclassified as being in a permanent vegetative state. The patient cannot be awakened and does not respond to pain, light or sound in a normal way-the person in coma cannot react with the surrounding environment.
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So You Think You Can't â¦ Avoid a Food Coma? It's more likely that plain old overeating and possibly alcohol consumption are what create the sleepiness associated with food comas, she says. Those factors, coupled with the tendency for people to be winding down and relaxing, all leads to a sense of being tired.. Symptoms of a Food Coma. Sleepiness.
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- Severely decreased levels of oxygen in the blood due to lung failure can cause brain damage. Poisoning or inflammation of the brain can cause coma with loss of function of both cerebral hemispheres. Trauma is another potential cause of coma.
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- Cerebral malaria can lead to coma and death, even when the patient is given anti‐malarial drugs. Death is caused by the malaria parasites in the brain that cause brain swelling, leading to pressure in the brain. Mannitol is a drug that sometimes reduces brain swelling in other situations, such as traumatic head injury.
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What Is a Medically Induced Coma? The purpose of a medically induced coma, Souter explained, is to ensure the protection and control of the pressure dynamics of the brain.. High pressure caused by brain swelling can starve some areas of the brain of oxygen; swollen brain tissue can also be injured by pushing against the inside of the skull.isks of a medically induced coma. Like most medical procedures, an induced coma carries some risks. One of the consequences that we do know of is an increased risk of infection, Souter said.
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What is a coma? A coma is a deep state of unconsciousness. An individual in a coma is alive but unable to move or respond to his or her environment. Coma may occur as a complication of an underlying illness, or as a result of injuries, such as brain injury. Read more on MedlinePlus.gov.
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coma Medically speaking, a coma is the state of protective deep sleep your body goes into when severely injured, as in a car crash. Daytime soap operas would be lost without a good coma every few weeks. Coma comes from the Greek koma meaning deep sleep.. As with so many words with medical or scientific origins, coma has been appropriated for a far wider range of uses.
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Overview Prolonged blood sugar extremes — blood sugar that's either too high or too low for too long — may cause various conditions, all of which can lead to a diabetic coma. 1  Diabetic ketoacidosis. 2  Diabetic hyperosmolar syndrome. 3  Hypoglycemia. Symptoms.  Risk factors.
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- Even though a subarachnoid hemorrhage leads to bleeding outside of the brain, it can still be life-threatening, because the blood from the hemorrhage can compress vital portions of the brain or cause herniation. A severe hemorrhage can cause a coma, or leave you paralyzed.ven though a subarachnoid hemorrhage leads to bleeding outside of the brain, it can still be life-threatening, because the blood from the hemorrhage can compress vital portions of the brain or cause herniation. A severe hemorrhage can cause a coma, or leave you paralyzed.
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Brain Injury - Coma: Some Facts The common cause of coma is oxygen deprivation. Anoxia refers to a complete absence of available oxygen, while hypoxia describes someone who had available oxygen but at reduced levels for a period of time. Anoxemia describes when a person's blood supply (rather than lungs) lacks oxygen. Oxygen deprivation lasting longer than five to ten minutes can be fatal.
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coma in medicine, deep state of unconsciousness from which a person cannot be aroused even by painful stimuli. The patient cannot speak and does not respond to command. Coma is the result of damage to the brain stembrain stem, lower part of the brain, adjoining and structurally continuous with the spinal cord.
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- A coma is a state of unconsciousness. When a person enters into a diabetic coma it is the result of either severe hypoglycemia (low blood glucose) or hyperglycemia (high blood glucose). Any person that is comatose is in immediate danger of dying. Call 911!
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- When considering symptoms of Coma, it is also important to consider Coma as a possible cause of other medical conditions. 1  The Disease Database lists the following medical conditions that Coma may cause: 2  Falls. 3  Gastric content aspiration. 4  Respiratory failure type 2.
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coma 1 Coma definition, a state of prolonged unconsciousness, including a lack of response to stimuli, from which it is impossible to rouse a person. See more. Dictionary.com
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- Cerebral edema ( brain edema ): Head trauma, low blood sodium (called hyponatremia), high altitudes, brain tumors, and a block in fluid drainage (known as hydrocephalus) can cause edema. Headaches, confusion, unconsciousness, and coma can be symptoms of cerebral edema.
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- lesion determine whether it results in coma, so brain stem infarction or haemorrhage often causes coma while other brain stem conditions such as multiple sclerosis or tumour rarely do so. Lesions below the level of the pons do not normally result in coma. Drugs and metabolic disease produce
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Coma (cometary) The word coma comes from the Greek kome (κόμη), which means hair and is the origin of the word comet itself. The coma is generally made of ice and comet dust. Water dominates up to 90% of the volatiles that outflow from the nucleus when the comet is within 3-4 AU of the Sun.
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What is stress management? A coma is a prolonged state of unconsciousness. A coma occurs when a part of the brain is damaged, either temporarily or permanently. This damage results in unconsciousness, an inability to awake, and unresponsiveness to stimuli such as pain, sound, and... A coma is a prolonged state of unconsciousness. A coma occurs when a part of the brain is damaged, either temporarily or permanently. This damage results in unconsciousness, an inability to awake, and unresponsiveness to stimuli such as pain, sound, and light. Comas have a number of potential causes. These range from injury or illness to stroke, to tumors, to alcohol and drug abuse. A person who is in a coma is alive but is unable to move at will. They can’t think, speak, or respond to their environment.
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Coma The main symptom of a coma is unconsciousness. A patient in a coma will have no conscious response to external stimuli and may appear to be in a deep sleep. The patient in a coma may exhibit spontaneous body movements. Patients may shake or jerk abnormally, and the eyes may move. If the coma is severe, even basic body functions such as breathing may be affected.
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How Comas Work This stroke occurs when an artery that supplies the brain with blood is blocked. The blockage starves the brain of blood and oxygen. If it is very large, the person can fall into a stupor or coma. In people with diabetes, the body does not produce enough of the hormone insulin. Because insulin helps cells use glucose for energy, a lack of the hormone causes blood glucose levels to rise (hyperglycemia).
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Understanding and Preventing Diabetic Coma Diabetic coma is a serious complication that can be fatal. And the odds of death increase the longer you wait for treatment. Waiting too long for treatment can also lead to brain damage. This diabetic complication is rare. But it’s so serious that all patients must take precautions.
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Drug-induced Coma There are a number of different medical reasons to induce coma in a patient. 1  To control brain swelling. 2  To mitigate harm during a prolonged seizure. 3  To provide the patient with time to heal.  To allow the brain to rest.
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- Prolonged or severe fluid buildup (edema) may make the uremic syndrome worse. Uremic syndrome may affect any part of the body and can cause: 1  Nausea, vomiting, loss of appetite, and weight loss. 2  Changes in mental status, such as confusion, reduced awareness, agitation, psychosis, seizures, and coma.3  Abnormal bleeding, such as bleeding spontaneously or profusely from a very minor injury.remic syndrome may affect any part of the body and can cause: 1  Nausea, vomiting, loss of appetite, and weight loss. 2  Changes in mental status, such as confusion, reduced awareness, agitation, psychosis, seizures, and coma.
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- Comas can be caused by different things, including: a severe injury to the head that hurts the brain. seizures. infections involving the brain. brain damage caused by a lack of oxygen for too long. an overdose (taking too much) of medicine or other drugs. a stroke. chemical imbalances (in the body from other illnesses)