MedlinePlus Medical Encyclopedia: Consciousness - decreasedObtundation; Coma. Definition Return to top. Decreased consciousness is reduced alertness ... Causes Return to top. Many conditions can cause decreased consciousness, including: Subarachnoid Hemorrhage (SAH): Stroke (CVA): Merck Manual Professional ... Secondary hydrocephalus may cause headache, obtundation, and motor deficits that persist for weeks. Rebleeding may cause recurrent or new symptoms. Hyperglycaemia (Treatment Guide)Very high concentrations (greater than 600 to 800 mg/dL [33 to 44 mmol/L]) can cause obtundation or coma as a result of serum hyperosmolality. Coma - Symptoms, Causes - neurologychannelAs time passes, they may begin to show signs of lethargy and obtundation, during which they ... Causes . There are many things that can cause coma or other states of unconsciousness. Hepatitis - Wikipedia, the free encyclopediaA group of viruses known as the hepatitis viruses cause most cases of liver damage ... Severe cases are characterized by either obtundation (dulled consciousness) or the combination ... |