Syncope

Syncope is a clinical syndrome, also known as syncope. The disease is caused by a sudden sudden decrease in global cerebral blood flow, temporary cerebral blood supply or insufficient oxygen, which results in the loss of consciousness due to the suppression of the function of the reticular structure; it lasts for several seconds to several minutes; it cannot maintain posture tension during the attack, so it cannot stand Fainted, but recovered faster. The reasons for the sudden decrease in cerebral blood flow are: sharp drop in blood pressure; sudden decrease in cardiac output; acute and widespread insufficient blood supply to the cerebral arteries. The above three abnormalities are each caused by many different factors, and various factors can be related to each other. Syncope in some patients is multifactorial.

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