What sudden illness is usually caused by blockage of blood flow to the brain?
A stroke or brain aneurysm can result in sudden blockage of blood flow the brain, which can result in disability or death. Other conditions, such as central nervous system vasculitis can also cause similar symptoms.
Yes, it can, through a pulmonary embolism: a sudden blockage in a lung artery. The blockage usually is due to a blood clot that traveled to the lung from a vein in the leg. Pulmonary embolism is a serious condition that can cause many health problems. If a blood clot is large, or if there are many clots, pulmonary embolism can cause death.