Stroke, also known as stroke, is one of the most dangerous diseases in the population, and the key to emergency care is to race against time. Time is life! Clinical studies have found that if a patient is sent to a general hospital 10 hours after the onset of a stroke, the disability rate is 100%; if the patient is treated within 4.5 hours of the onset, the disability rate is reduced to 60%; if the patient is treated within 2 hours, the disability rate is reduced to about 20%. This means that if a stroke is not recognized and treated early, the chances of paralysis are very high! Strokes are dangerous and often start suddenly, catching people off guard. So, are there any precursors before the onset of the disease and are there any signs? The key lies in whether there are “people with a heart” and whether they can recognize it at a glance. The “telltale signs” before the onset of a major stroke are commonly known as “mini-strokes”. The medical term for “mini-stroke” is “transient ischemic attack”, which is a transient neurological deficit disorder caused by focal ischemia of the brain, spinal cord or retina. Generally, the symptoms last 10-20 minutes and resolve within an hour, up to 24 hours. It is easy to be ignored by many people precisely because of its short attack time and its ability to return to normal again in a short time without leaving any disability. In fact, it is a kind of early warning signal, and its appearance is to remind patients that there are already certain safety risks in their bodies, and if they do not pay attention to it and do not deal with it, these risks may gradually aggravate, thus triggering a serious stroke. A large number of studies have shown that the chance of ischemic cerebral infarction in patients with transient cerebral ischemia reaches 5.2% within 1 week after the onset of the disease, and the chance of ischemic cerebral infarction reaches 8.0% within 1 month after the onset of the disease. What exactly are the manifestations of mini-stroke? 1, not fluent in speech, slurred words Suddenly appear not fluent in speech, or slurred words, or even can not speak, the corners of the mouth is crooked, tongue extension can not or skewed, but the duration is short, and return to normal within 24 hours. This situation should be taken seriously. 2, limb numbness Abnormal sensations such as limb numbness, accompanied by headache, dizziness, light-headedness and tongue swelling in middle-aged and elderly people, especially those with previous history of hypertension, hyperlipidemia, elevated blood sugar and arteriosclerosis, should be more alert. If there is a sudden onset of unilateral limb numbness, weakness in the arms and legs, unstable standing, and soon relieved, you must pay attention to it and seek medical attention as soon as possible. 3, yawning constantly If there is no fatigue, sleep deprivation and other reasons, continuous yawning is most likely a manifestation of cerebral arteriosclerosis, cerebral blood supply deficiency and other causes of chronic hypoxia in brain tissue, which is a precursor manifestation of stroke. 4, unexplained falls Transient loss of motor nerve function, resulting in ataxia and balance disorders, easy to fall, but soon able to stand up, often occurs when turning the head or tilting the head, which is also a precursor of stroke. 5. Dizziness Dizziness and visual rotation may occur repeatedly in middle-aged and elderly people before a stroke, and may return to normal after a few seconds, which may be a mini-stroke and should be treated early. 6. Short-term memory loss Short-term memory loss occurs during the stroke. The time, place and direction are not clear, but the ability to talk, write and calculate is normal. 7.Blurred vision Sudden black haze in one or both eyes, unable to see anything, or local visual field defect, which returns to normal after a few seconds or ten seconds, it is caused by retinal ischemia, sometimes it may be accompanied by abnormal eye movement and diplopia, which is the most common aura manifestation of stroke in middle-aged and elderly people. The middle-aged and elderly people are at high risk of cardiovascular diseases, so they need to have their blood pressure, blood lipids and blood sugar checked regularly. Once the above-mentioned stroke aura appears, they must not hesitate to go to the neurology department of a general hospital for timely treatment and medication as soon as possible to avoid the development of a serious stroke.