Why crouch long to stand up to meet giddy

Squatting for a long time will stand up dizziness may be due to orthostatic hypotension, hypoglycemia, anemia and other reasons.

If the patient has orthostatic hypotension, after squatting for a long time will lead to a large number of blood concentrated in the lower limbs, suddenly stand up after blood pressure can not be adjusted in time, it will cause insufficient blood supply to the brain and thus appear dizziness, black eyes symptoms. If the patient does not eat regularly for a long time, it is easy to lead to hypoglycemia. At this time, squatting and standing up usually due to insufficient blood supply to cerebral vessels and dizziness. If the patient has anemia, the brain tissue will appear ischemia and hypoxia due to insufficient blood supply throughout the body, so there will be a case of standing up for a long time and feeling dizzy.