reduced cerebral oxygen supply

Last reviewed 01/2018

An acute confusional state may be caused by reduced cerebral oxygen supply:

  • arterial hypoxia:
    • pneumonia
    • pulmonary embolism

  • reduced oxygen carrying capacity of the blood:
    • anaemia
    • carbon monoxide poisoning

  • reduced cerebral perfusion:
    • heart failure
    • myocardial infarction