| hepatic coma | A condition of severe end-stage liver dysfunction that is accompanied by unresponsiveness (coma). A feature of hepatic encephalopathy. (27 Sep 1997) |
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| hyperglycaemic hyperosmolar nonketotic coma | A syndrome consisting of extreme hyperglycaemia, serum hyperosmolarity and dehydration in the absence of ketosis and acidosis. (12 Dec 1998) |
| hyperosmolar nonketotic coma | A complication seen in diabetes mellitus in which very marked hyperglycaemia occurs (such as levels over 800 mg/dL) causing osmotic shifts in water in brain cells and resulting in coma. It can be fatal or lead to permanent neurologic damage. Ketoacidosis does not occur in these cases. Synonym: nonketotic hyperglycaemia. (05 Mar 2000) |
| hypoglycaemic coma | A metabolic encephalopathy caused by hypoglycaemia; usually seen in diabetics, and due to exogenous insulin excess. (05 Mar 2000) |
| hypoventilation coma | Coma seen with advanced lung failure and resultant hypoventilation. Synonym: CO2 narcosis, hypoxic-hypercarbic encephalopathy, pulmonary encephalopathy. (05 Mar 2000) |
| delayed coma after hypoxia | Coma that develops a few days to 3 weeks after an acute hypoxic insult; the latter was usually severe enough to cause an initial bout of coma, which cleared, and was followed by a transient interval of apparent normality. Synonym: severe postanoxic encephalopathy. (05 Mar 2000) |
| diabetic coma | A severe metabolic derangement that occurs in the absence of insulin. Insulin allows the body to absorb glucose into cells for energy production. In the absence of insulin, the body starts to break down fats for fuel. A metabolic byproduct of fat metabolism is referred to as a ketone. The presence of elevated blood ketones in this setting is known as diabetic ketoacidosis. In extreme, untreated cases, this can lead to coma and death. (27 Sep 1997) |
| insulin coma treatment | Rarely used treatment of major mental illness by means of hypoglycaemic coma induced by insulin. (05 Mar 2000) |
| trance coma | The deep sleep following major hypnosis. Synonym: trance coma. (05 Mar 2000) |
| uraemic coma | A metabolic encephalopathy caused by renal failure. (05 Mar 2000) |
| Kussmaul's coma | A severe metabolic derangement that occurs in the absence of insulin. Insulin allows the body to absorb glucose into cells for energy production. In the absence of insulin, the body starts to break down fats for fuel. A metabolic byproduct of fat metabolism is referred to as a ketone. The presence of elevated blood ketones in this setting is known as diabetic ketoacidosis. In extreme, untreated cases, this can lead to coma and death. (27 Sep 1997) |