It can last a few minutes or persist up to 24 hours. This causes what's known as a mini-stroke. There's also a related condition called a transient ischaemic attack (TIA), where the blood supply to the brain is temporarily interrupted. haemorrhagic – where a weakened blood vessel supplying the brain bursts.ischaemic – where the blood supply is stopped because of a blood clot, accounting for 85% of all cases.This can lead to brain injury, disability and possibly death. If the supply of blood is restricted or stopped, brain cells begin to die. Like all organs, the brain needs the oxygen and nutrients provided by blood to function properly. Time – it's time to dial 999 immediately if you see any of these signs or symptoms.Speech – their speech may be slurred or garbled, or the person may not be able to talk at all despite appearing to be awake they may also have problems understanding what you're saying to them.Arms – the person with suspected stroke may not be able to lift both arms and keep them there because of weakness or numbness in 1 arm.Face – the face may have dropped on 1 side, the person may not be able to smile, or their mouth or eye may have dropped.The main symptoms of stroke can be remembered with the word FAST: If you suspect that you or someone else is having a stroke, phone 999 immediately and ask for an ambulance. The sooner a person receives treatment for a stroke, the less damage is likely to happen. Strokes are a medical emergency and urgent treatment is essential. A stroke is a serious life-threatening medical condition that happens when the blood supply to part of the brain is cut off.

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