These initially bleed, damaging brain tissue and cause secondary ischemia due to the irregular blood supply. Finally, patients with brain tumors may present with a hemorrhagic stroke picture, but the cause is obviously not cerebrovascular disease. Warning Signs Ischemic strokes account for 84 percent of all strokes. Sixteen percent of strokes are hemorrhagic. The mortality rate is similarly higher for strokes that bleed than in those that do not.
People often receive warning signs that they are about to stroke out.
Temporary weakness, numbness or clumsiness in a hand or arm. Abrupt and profound dizziness. Language problems, such as slurred or difficult speech. Sometimes patients develop a sudden massive headache. Often, all of these symptoms disappear within two to 25 minutes.