The low parameter for arterial blood pressure before cerebral blood flow becomes severely compromised is <60 mm Hg.
What is Arterial blood pressure?
This is the force which is exerted by the blood on the walls of the artery during circulation.
The pressure required for blood to reach vital cells and organs must be ≥ 60 mmHg. In cases where it's less, the cells are starved of blood and nutrients thereby leading to their death.
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