Postural ischemia, which can also be called postural hypotension, is a condition in which the blood pressure is low due to a change in body position, resulting in insufficient blood supply to vital organs.
Some people may develop postural hypotension when they suddenly get up after sitting or lying down for a long time. This is because the center of gravity of blood is concentrated in the lower half of the body after a long period of sitting or lying down, and if they suddenly get up, the blood does not return to the brain in time due to gravity, resulting in transient insufficient blood supply to the brain, which induces low blood pressure.
When postural hypotension occurs, there will be dizziness, darkness, blurred vision and other symptoms, and will return to normal after a few moments of rest. If the state of postural hypotension persists, serious cases may have fainting. If the symptoms are recurring, go to the hospital in time to clarify the cause of the disease and treat it actively.