Hemorrhagic stroke definition

A stroke occurs when blood flow to an area of the brain is cut off. When this happens the brain cells are deprived of oxygen and begin to die. A hemorrhagic stroke is when blood from an artery.

The two types of hemorrhagic strokes are intracerebral (within the brain) hemorrhage or subarachnoid hemorrhage. Two types of weakened blood vessels usually cause hemorrhagic stroke : aneurysms and arteriovenous malformations (AVMs). An embolic stroke occurs when a blood clot or other debris forms away from your brain — commonly in your heart — and is swept through your bloodstream to lodge in narrower brain arteries.

This type of blood clot is called an embolus. English dictionary definition of hemorrhagic stroke. Although hemorrhagic stroke is far less likely to occur than the most common type of stroke (the ischemic stroke , which involves blockage in a blood vessel), it can be very deadly when it happens. A stroke caused by diminished blood flow to a particular artery in the brain, e. Ischemic stroke is much more common than hemorrhagic stroke. The most common cause of hemorrhagic stroke is uncontrolled high blood pressure.

A copious loss of something valuable: a hemorrhage of corporate earnings. An aneurysm is a weakness or thinness in the blood vessel wall.

The rates of hemorrhagic transformation of ischemic strokes have been variably reporte but generally over half of all cerebral infarcts at some stage develop some hemorrhagic component. What Are the Symptoms of Stroke ? The second type of stroke is something called a hemorrhagic stroke or a brain hemorrhage. With a hemorrhagic stroke , which is much less common than the ischemic type of blood vessel within the brain actually ruptures. Surgery is rarely performed for hemorrhagic stroke patients due to the high risk of it causing extra bleeding or brain damage. It may be considered for a sub-type of hemorrhagic called subdural hematomas (where blood collects outside the blood vessels).

In such an instance the skull is opened and drained. The patient may have an internal hemorrhagic problem that is not be visible or the patient may have an external hemorrhagic problem that is therefore visible on the outside of the body. The term hemorrhagic comes from the Greek. Hemorrhagic : Pertaining to bleeding or the abnormal flow of blood.

Very high blood pressure may cause blood vessels to burst, leading to hemorrhagic stroke. High blood pressure is the main risk factor for strokes. An ischemic stroke can develop bleeding and become a hemorrhagic stroke.

Stroke is an acute neurologic deficit caused by cerebrovascular etiology. It is further subdivided into ischemic stroke and hemorrhagic stroke. This bleeding can occur either within the brain or between the brain and the skull. To treat an ischemic stroke , doctors must quickly restore blood flow to your brain.

Emergency treatment with medications.

Women are also at a higher risk for hemorrhagic stroke after thrombolytic therapy than men. In the case of an outbreak of a viral hemorrhagic fever, infected people should be quarantined. Brain tissue that does not get oxygen and nutrients from blood can die within minutes. As the definition of stroke is update the potential for misclassification may increase among self-report surveys. One of the overarching concerns regarding a shift to an imaging-based definition for stroke is the potential to bias stroke surveillance reporting based on the availability of technology to contribute to image-based case.

Definition of hemorrhagic stroke in the AudioEnglish. Meaning of hemorrhagic stroke.