What causes sudden cerebral infarction?

The main cause of cerebral infarction is arteriosclerosis, which is the aging of blood vessels due to hypertension, hyperlipidemia or diabetes in people's long-term life. The plaque of arteriosclerosis is formed. The plaque accumulates bigger and bigger. When one day suddenly breaks, thrombosis is caused. This is the main cause of cerebral infarction. There are other secondary causes, such as embolism caused by emboli falling from the peripheral atrium or aorta, changes in blood composition, inflammatory causes, all of which may cause cerebral infarction, but the most important cause, and the most important cause, is arteriosclerosis.