What causes a stroke

A stroke happens when blood flow to a part of your brain is cut off. Without the oxygen in bloo brain cells start dying within minutes. To help prevent a stroke , learn about the causes and the. There are main types of stroke : ischaemic strokes and haemorrhagic strokes.

They affect the brain in different ways and can have different causes. Ischaemic strokes are the most common type of stroke. They happen when a blood clot blocks the flow of blood and oxygen to the brain. A stroke is a medical condition in which poor blood flow to the brain in cell death.

Both result in parts of the brain not functioning properly. There are two main types of stroke : ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. Signs and symptoms of a stroke may include an inability to move or feel on one side of the body, problems understanding or speaking. Stroke is the fifth-leading cause of death in the United States.

Nearly 800people have a stroke each year. Learn about the different types of stroke (ischemic stroke , hemorrhagic stroke ), warning signs, symptoms, causes , treatment and prevention of each, including four FAST signs and symptoms. Women have a higher lifetime risk of having a stroke than men. While some stroke signs are the same in women and men, some are more.

Haemorrhagic brain stroke: it causes a stroke rarely. It occurs when a blood vessel in the brain ruptures and bleeds out. The bleed can be small or it can be massive. The blood vessel usually weakens up in this case as a result of which it balloons up, ruptures and causes a stroke. Hypertension—high blood pressure readings—is dangerous for your brain, especially in terms of stroke risk.

See “New Hypertension Guidelines: Re-evaluating Blood Pressure Standards. In fact, of the top risk factors for what causes a stroke , Hypertension is the most powerful, according to from the very large INTERSTROKE study published in the Lancet. The most common causes of hemorrhagic stroke are high blood pressure and brain aneurysms.

An aneurysm is a weakness or thinness in the blood vessel wall. What Are the Symptoms of Stroke ?