A stroke is caused by diminished blood flow to a particular artery in the brain, e.g., as a result of a clot in the artery or an embolus lodging in the artery. Ischemic stroke is much more common than hemorrhagic stroke.
A stroke is caused by diminished blood flow to a particular artery in the brain, e.g., as a result of a clot in the artery or an embolus lodging in the artery. Ischemic stroke is much more common than hemorrhagic stroke.